Sean's age and Helen's age are in the ratio of 3:5. Two years ago, Helen was twice as old as Sean was then. Find their present ages.

Solve the equation for the variable v. D=2zv

If 1760 yd=1mile, then 880 yd =

A bag has 10 pens in it: 4 black, 3 blue, 2 green and 1 red You randomly choose one pen from the bag and give it to Maria (who keeps it). You then randomly choose another pen from the bag and give it to Ahmed.

X% of 50 is 49. What is the answer?

After saving 53% of his allowance, spending 26% of his allowance on food, and using $2 of the $20 allowance to pay library fines, how much money does Carson have left each month? [Type your answer as a decimal number.]

There are 125 people in a sport centre. 59 people use the gym. 70 people use the swimming pool. 55 people use the track. 25 people use the gym and the pool. 30 people use the pool and the track. 17 people use the gym and the track.

Between which two integers does √64 lie?

The difference of two times a number and eighteen is sixteen.

How I can Find the volume of the rectangular prism?

The plane formed by two number lines that intersect at the right angle