Answer:
63
Step-by-step explanation:
This is because 25% of 84 is 21. He knows how to play 21 songs. 84-21=63.
63 is how many songs he does NOT know how to play.
Answer:
Growth It's increased by 31%
Step-by-step explanation:
Hope this helps :D
Answer:
I'm pretty sure X and Y intercept! I may not be correct though
Answer:
Answer is 8 3/4
Step-by-step explanation:
Change the fraction into improper fraction.
-1 2/3 will be -5/3
-5 1/4 will be -21/4
Then multiply both answer