Find the value of two numbers if their sum is 23 and their difference is 1

What is 4x-9 (-3) = -48?

What is 15 divided by 7.8

5x-x-7=29 then x equals what

Rosy waxes 2/3 of her car with 1/4 bottles of a car wax. at this rate, what fraction of the bottle of car wax will rosy use to wax her entire car?

Average of 34 and 68?

13y-7y=9 Solve for y, write it as a reduced fraction.

In a family with 7 children, excluding multiple births, what is the probability of having exactly 2 girls? Assume that having a boy is as likely as having a girl at each birth.

A baseball player hit 65 home runs in a season. Of the 65 home runs, 19 went to right field, 23 went to right-center field, 9 went to center field, 11 went to left-center field, and 3 went to left field.

How many milliliters of olive oil (D=0.92 g/mL) have the same mass as 1.80 L of gasoline (D=.74 g/mL)

Leo's family keeps recyclables in a cylindrical trash can. Today Leo bought a larger can with a radius and height that are twice the radius and height of the old can. Leo claims the new and old cans are geometrically similar figures.