Answer:
x=4
Step-by-step explanation:
5+2x=13
-5 on both sides
2x=8
÷2 on both sides
x=4
Hope this helps :)
Answer:
A. 28cm^3
Step-by-step explanation:
V = lwh
L: 2
W: 2
H: 7
V = (2)(2)(7)
V = 4(7)
V = 28cm^3
follow order of operations:
3+16/4 = 3+4 = 7
Distance = Rate x time
Time = 4.5 hours
Rate = 70 miles per hour
Distance = 70 x 4.5 = 315 miles.