Mary is 2 and 1/2 times as old as Jane. In 30 years' time, the sum of their ages will be 95 years. How old is Mary now?

A function is shown in the table. x g (x) -3 17 -1 - 3 0 - 4 2 13 Which of the following is a true statement for this function? The function is increasing from x = - 3 to x = - 1. The function is increasing from x = - 1 to x = 0.

If y varies directly with x and x increases by 2 is it possible to determine by how much y increases or decreases

3x - 5=1 what does x represent

What does 12 (6m+7n) equal in distributive form?

Students can improvde their math ability by putting forth significant effort. true or false?

Is pi6 rational or irrational

What is 9:901 in long division

Lane's arm span is 61 inches. If his height is 1⁄4 foot longer than his arm span, how tall is he? feet and inches

given a soda ca with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can?

At a birthday party there were 20 balloons. A few of the kids decided to pop b balloons so the parents blew up another 6 balloons. Write an expression to represent how many balloons are there now.