Answer:
112.5 square feet
Step-by-step explanation:
a square has equal sides so divide 225 by 2
Answer:
x = 1
Step-by-step explanation:



18x + 5 = 23
18x = 23 - 5
18x = 18
x = 1
Therefore, x = 1 is the solution of the given expression.
Answer:
h(-3) = -3
Step-by-step explanation:
h(-3) = -(-3)2 + 3(-3)
h(-3) = 6 - 9
h(-3) = -3
1) 343
7 • 7 • 7 = 343
2) 64
2 • 2 • 2 • 2 • 2 • 2 = 64
3) 256
4 • 4 • 4 • 4 = 256