In the figure angle G measures 102° and angle B measures 30° what is the measurement of angle B

Given this information, which expression must represent the value of b?

()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

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?