An arch in the form of a semicircle was over a 40 inch doorway. Find the length of the arch to the nearest inch.

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²