What number is increased by 40% become 28?
a.5 b. 10 c. 15 d. 20​

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

Find the solution on the interval [0, 2pi)