Using the SA formula you'll have to substitute in the edge length for s.
SA = 6(312)²
SA = 584064
The surface area is 584,064 feet²
Hope this helps :)
<span>4|x – 5| + 3 = 15
</span><span>4|x – 5| = 12
|x - 5|=3
x=8 or x=2</span>
B, c, d all can be multiplied or divided by 3
Answer:
x3-20
Step-by-step explanation:
x stands for the month 3 is the money that she is spending each month if you multiply those together you get the amount of money she has spent over x amount of months minus the 20 dollars on her gift card