The answer is b
The perimeter of a rectangle is 2(l + w) so in this case, it is 2(15 + 9) and that is equal to 48. But so at c and d. So u need to multiply the width by 2 (9*2=18) and then you’ll see that 18-3=15. And therefore, the length is -5 and the width is 9
Use Photomath it’s a good app for math
Answer: 21
Step-by-step explanation: f(-2) = 4· (-2)²-(-2) + 3 = 4·4 +2 +3
4 bc none of the x axis numbers are the same
Prism A 4x1x2=8
prism B 8x2x4=64
8/64 is the ratio, simplified would be 1/8