Will give brainliest !Select the correct answer. Which equation is true for the value x = 15?
A.
2(x + 3) = 40
B.
2(x − 5) = 30
C.
2(x + 5) = 40
D.
x + 2x = 30
E.
3x − x = 45

Which statement best describes the polynomial

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36