Answer:
C) 21 ft x 36 ft
Step-by-step explanation:
Because 7 * 3 = 21 ft & 12 * 3 = 36 ft

Divide both sides by 7.

n must be less than or equal to 3. n can be 3 or any number under 3.
For example, n can be 1, 2, 3.
Answer:

Step-by-step explanation:

…………………………
f(y) = x
⇔ 5y = x


Answer:
it has one solution
Step-by-step explanation:
1.y=x-3
2. 3y-3x sub x-3 in place of y therefore
it can also be written as 3x-3x-9=9
if you add 9 to both sides 3x-3x-9+9=-9+9
0+0=0
Answer: 10√3
Step-by-step explanation: