Answer:
51+(4x+7)=90
4x+58=90
-58 -58
4x=32
4x/4=32/4
x=8
Step-by-step explanation:
I think b because it goes from most to least sorry if u can't understand
64 squared units
2 x 4 x 8 = 64
Hope it's correct
happen when a function is turned