You need a 25% alcohol solution. On hand, you have a 45 mL of a 15% alcohol mixture. You also have 30% alcohol mixture. How much of the 30% mixture will you need to add to obtain the desired solution?

A rectangle 's length times it with is 18 square inches. What are the possible whole number lengths and widths of the rectangle?

Adding fractions with uncommon denominators

Manny and Emma are both competing in a long jump competition at their school. Manny can jump three fifths of the distance that Emma can jump. Manny can jump 21 inches. How far can Emma jump? a. 21.6 inches b. 20.4 inches c. 35 inches d. 12.6 inches

Write 1,390,000,000 in scientific notation?

Ohn Jay is a major league pitcher. He pitches like a robot, that is he pitches the same way to each batter. There is a. 56 probability that the first ball he pitches to a batter is a strike. (first-pitch strike).

2 & 1/4 of bananas cost $1.89 what is the cost per pound

Solve for x. logb (x + 2) + logb x = logb 24

Korey is planning to open a comic book store. His store will cost $12,500 to open and will come with a $8,000 total annual operational cost.

What is 0.555 as a fraction

What is 43 3/4 %as a decimal