Up where is the picture for this to see the other angles<span />
If you mean 5x + 7 then you do 5 times 5 (which is 25) + 7 to get 32. The answer is 32.
Answer: speed = 585/(13/2) = 90 miles per hour.
Step-by-step explanation:speed = distance / time
since they are moving in opposite direction, the time is the sum of the two times = 2 1/2 + 4 = 6 1/2 = 13/2
Answer: -15x5 - 15x4 + 5x3
Step-by-step explanation:
(-5x3)(3x2 + 3x - 1)
-15x5 - 15x4 + 5x3