Which is an example of the associative property?
a. –(18 + 3) = –18 + (–3)
b. –17 + 0 = –17
c. (–8 + 10) + 4. = –8 + (10 + 4)
d. –5 + 7 = 7 + (–5)

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Which expression converts 45 degree to radians

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²