He turn around the truck 3 times the first is 18 miles then 15 miles then 21 miles Which picture represent that the best

A person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen he sells it at Rs 80 a pair find the gain percent solve it step by step

-3

Step-by-step explanation:

Evaluate 2 x + 7 where x = -5:

2 x + 7 = 7 - 5×2

Hint: | Multiply 2 and -5 together.

2 (-5) = -10:

-10 + 7

Hint: | Subtract 10 from 7.

7 - 10 = -3:

-3