The ratio os pens to pencils in Darnell's case is 3:5. He has 15 pens. How many pencils does Darnell have?

The difference between 6 (2d-3) and 4 (2d-3) * 2 if d=8

If the foreign exchange rate between the United States dollar and the danish krone is 1:2.50, how many Danish kroner will you get for 5 dollars

Leon has 4 boxes. Each box has 15 golf balls and 12 tennis balls. Which expression shows the total number of balls Leon has in the boxes? A. 4 * 12 * 4 * 15 B. 4 + 12 + 4 + 15 C. (4 * 15) * (4 * 12) D. (4 * 15) + (4 * 12)

Joe's apple weighs 4/5 lb. Marta's apple weighs 0.5 lb. How much more does Joe's apple weigh than Marta's

Which expressions are equivalent to the one below? check all that apply. 21^x/3^x A. (21-3) ^x B. 7 C. 7^x D. (21/3) ^x E. 7^x*3^x/3^x F. 3^x

Suppose we fit a regression line to predict the number of incidents of skin cancer per 1,000 people from the number of sunny days in a year. For a particular year, we predict the incidence of skin cancer to be 1.

How do you simplify negative 2M plus 9 m+8

What are three and three fourths plus 3 plus two and one halves equal?

The product of square root 2 and square root 50 is rational or irrational

5-2.1=? 5-2.17=? 5-2 7/8 solve