Mariko has 30 nickels and dimes. She has 12 more nickels than dimes. How many dimes does mariko have?

What is the value of w if A = 184 cm2 and l = 23 cm?

How to write an equation using the numbers 8 and 10 and the letters c and s

Ratio of girls to boys at a movie is 5:7 if there are 28 boys how many girls are at the movie?

Solve: (184.26 * 64.284) : (4 * 92.692)

Maria has a box of 20 cookies. She gives 2 cookies to each friend. Which expression shows the number of cookies Maria has left after giving cookies to m friends? A. 2m - 20 B. 20 - 2m C. 20m - 2 D. 20 + 2m

A store ordered 28 boxes holding 12 banana muffins each and five boxes holding 6 blueberry muffins each. What was the total number of muffins the store ordered?

Use substitution to solve the system of equations. y = - 2x x - 3y = 21 (3, 4) (-6, 12) (3, - 6) (-2, - 6)

Solve x/42=3/7 using two different strategies. explain each strategy

Jerry kitten grew 3cm between the age 4and 5 months. The kitten grew 2cm between the ages of 5 and 6 months. At 6 months the kitten is 19cm tall was jerry kitten at the age 4months

Find the discriminant and the number of real roots for this equation 9x^2+12x+4=0