Mariah exercises 2,328 minutes a month. She exercised 4 times longer than Miguel exercised last month. How many minutes did Miguel spend exercising last month?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?