Two angles are complementary. they have measures of (7x + 2)° and (3x – 2)°, respectively. what is the value of x?
180
90
9
10

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.