Let x, y be numbers.
The addition identity property states that 0 + x = x.
The commutative property states that x + y = y + x
Answer:
36°
Step-by-step explanation:
< EAB = 180 - (360/5) = 180-72=108°
so, < AEB = (180-108)/2 = 72/2 = 36°
Answer:
9.25b=46.25
Step-by-step explanation:
9.25b=46.25/:9.25
b=5
Richard purchased 5 books for $9.25 each
$12.80 × 1.075 = $13.76
$13.76 × 1.15 =$15.82