*100% CORRECT ANSWERS
Answer:
the correct answer is 9
Step-by-step explanation:
took the test and it was correct
Answer:
P = 2x² + 8x - 30
P = 12 (if x = 3)
Step-by-step explanation:
Perimeter Formula: 2l + 2w
Step 1: Find perimeter
2(2x² - 16) + 2(-x² + 4x + 1)
4x² - 32 - 2x² + 8x + 2
2x² + 8x - 30
Step 2: Plug in x = 3
2(3)² + 8(3) -30
18 + 24 - 30
42 - 30
12
B. -4/3
C. -3/4
D. -25/27
0.019 written as a percentage is 1.9%