Created solution, it works

lib/deaf_grandma.rb

@@ -13,15 +13,21 @@ def run!
 
     loop do
       user_input = get_user_input
-      p speak(user_input)
+      puts speak(user_input)
     end
   end
 
 
   def speak(input)
-
-    #Implement your code here <<<<<<<<<
-
+    if input == "BYE"
+      @bye_counter += 1
+    end
+    exit if @bye_counter >= 3
+      "SEE YOU LATER SONNY!"
+    end
+    return "NOT SINCE 1964!" if input == input.upcase
+    "SPEAK UP SONNY!"      
+    end
   end
 
   private

lib/fizzbuzz.rb

@@ -2,10 +2,15 @@ class SuperFizzBuzz
 
   def run(input)
 
-    #Implement your code here
-
+    if input % 3 == 0 && input % 5 == 0
+      "FizzBuzz"
+    elsif input % 5 == 0
+      "Buzz"
+    elsif input % 3 == 0 
+      "Fizz"
+    else input
+    end
   end
-
 end
 
 #You don't necessarily need to execute this script to complete this challenge, but how would you "run" this method (pun intended) so that it printed a value to the terminal?

spec/deaf_grandma_spec.rb

@@ -5,14 +5,15 @@
   let(:script) { DeafGrandma.new }
 
   it "says 'SPEAK UP SONNY!' when we speak regularly" do
-    expect(script.speak("Hi Grandma")).to eq "SPEAK UP SONNY!"
+    expect(script.speak("hi Grandma")).to eq "SPEAK UP SONNY!"
+    expect(script.speak("some words in lowercase")).to eq "SPEAK UP SONNY!"
   end
 
   it "says 'NOT SINCE 1964!' when we yell" do
-    #implement your test here
+    expect(script.speak("HI GRANDMA")).to eq "NOT SINCE 1964!"
   end
 
   it "EXTRA CREDIT: How would you test yelling BYE?" do
-    #implement your test here
+    expect(script.speak("BYE")).to eq "SEE YOU LATER SONNY!"
   end
 end

spec/fizzbuzz_spec.rb

@@ -6,17 +6,19 @@
 
   it "returns 'Fizz' when my input is divisible by 3" do
     expect(script.run(3)).to eq "Fizz"
+    expect(script.run(9)).to eq "Fizz"
+    expect(script.run(24)).to eq "Fizz"
   end
 
   it "returns 'Buzz' when my input is divisible by 5" do
-    #implement your test here
+    expect(script.run(5)).to eq "Buzz"
   end
 
   it "returns 'FizzBuzz' when input is divisible by 3 & 5" do
-    #implement your test here
+    expect(script.run(15)).to eq "FizzBuzz"
   end
 
   it "returns the input number when input isn't divisible by 3, 5, or both" do
-    #implement your test here
+    expect(script.run(16)). to eq 16
   end
 end