Answer:
l = 16 feet
Step-by-step explanation:
P = a + b + c + d.
P = 2x + x + 2x + x = 48
6x = 48
x = 48/6
x = 8 feet
Thus, length = 2x = 2(8) = 16 feet
Answer:
9
Step-by-step explanation:
Answer: 17, 13, 9, 5, 1
Step-by-step explanation:
y=-2(-2) + 9 = 13
y=-2(0) + 9 = 9
y=-2(2) + 9 = 5
y=-2(4) + 9 = 1
389,422 rounded is 400,000.