Which expression is equivalent to 15x + 3?

a. 15(1x + 1)
b. 3(5x + 1)
c. 5(3x + 1)
d. 2(15x + 3)

answer quickly!

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis