Colin is working to earn some money for a new cd player. on saturday he earns half as much as he did on sunday, but twice as much as he did on friday. during those 3 days he earned $70. how much did he earn each day?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

In the diagram, gef and hef are congruent. what is the value of x

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?