Since it is an expression and not an equation, you would just have to distribute the -3 to the two inside the parentheses.
The answer is -9 + 30x
Draw 4 squares. The perimeter is 10 because the width is 4 and the length is 1. So 4 x 2 is 8 and 1 x 2 is 2. And 8 + 2 = 10.
Number 15: x2 - 16
Number 16: a2 - 64
Number 17: d2 - 49
In 10 hours John will travel 300 miles
Answer:B 12x2 + 15x + 8x + 10
this maybe more helpful than the other answer
Step-by-step explanation: