Answer:
That is the commutative property.
Answer:
63/64
Step-by-step explanation:
cross multiplication
7*9=63
8*8= 64
Answer:
x = 48
Step-by-step explanation:
14^2 + b^2 = 50^2
196 + b^2 = 2500
-196 -196
b^2 = 2304
√b^2 = √2304
b = 48
a. 40 if you dont believe me just look at a 40 degree triangle then the pic