Answer: 27
Explanation:
P = 2(l+w) = 2 · (9 + 4.5) = 27
Answer:
a. 1/6
Step-by-step explanation:
for a, there is only one side that has three
Answer:
x = 2 or
x = -7
Step-by-step explanation:
(x - 2)(x + 7) = 0
x - 2 = 0
Add 2 to both sides
x - 2 + 2 = 2 + 0
x = 2
OR
x + 7 = 0
Subtract 7 from both sides
x + 7 - 7 = 0-7
x = -7
Therefore
x = 2 or
x = -7