Answer:
D.
Step-by-step explanation:
(4 x 8) + (4 x 3)=44
4 x (8 + 3)=44
Answer:
$5,040
Step-by-step explanation:
First you multiply 40 times 7. Then turn it to a percent, .280. Finally multiply it by 18,000 and get 5,040.
The largest triangle and the triangle whose hypotenuse is x are similar. So:
(21 + 4)/x = x/4
Cross multiply:
x^2 = 100
x = 10
Your answer is incorrect. It should be 10, not 20.