Which does not represent the interior angle measures of a triangle?
a. 50, 75°, 100°
b. 10°,80°, 90°
c. 20°, 60°, 100°
d. 45°, 45°, 45°
e. 50°, 50°,80°

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤