Answer: $4.53
Explanation:
7 dvds cost 31.71 so divide 31.71 by 7
31.71/7 = 4.53
Make the u substitution
u=x^2
du=x dx
it should simplify the problem
I think it’s the 1st one because it’s close too what it is when I work it out
Answer:
3.
Step-by-step explanation:
3(n + 4) = 21
3n + 12 = 21
3n = 21 - 12 = 9
n = 3.
Answer:
18x + 15
Step-by-step explanation:
Combine like terms & simplify the given expression:
9x - 4 + 4x + 5x + 19
(9x + 4x + 5x) - 4 + 19
(13x + 5x) + (19 - 4)
(18x) + 15
18x + 15 is your answer.
~
