If a 12-sided regular polygon rotates about its center, at which angle of rotation will the image of the polygon coincide with the preimage?
a. 75°
b. 45°
c. 36°
d. 30°

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Given abcd ac=38 and ae=3x+4 find the value of x