Answer:
$39.15
Step-by-step explanation:
87 x .55 = 47.85
87-47.85= 39.15
Answer:
Hope this will help you
Step-by-step explanation:

This triangle would be acute none of the angles are greater than or equal to 90.
The answer is 14x.
You always have to do whats in the parenthesis first. In this case you would do 7 + x = 7x. Then, you add this 7x to the other 7 x. 7x+7x=14x.