If postage costs $0.54 for the first once and $0.22 for each additional ounce, calculate the cost of mailing a 10-once envelope

Solving special systems Y=x+1 -x+y=3

Which inequality represents all possible solutions of - 21b<3

Find the slope of the line that passes through (4, 6) and (2, 3). Simplify your answer and write it as a proper fraction, improper fraction, or integer.

What's. 25 as a fraction in simplest form?

Of Alberto's total number of coins, 168 are quarters. Describe two strategies you can use to find how many coins are not quarters. Estimate the difference. Then choose one strategy and solve.

2 other decimal forms of 6.7

what is the equation subtracting 7 from the product of 4 and a number results in the number added to 29

58:16 The volume of a rectangular prism is (x2-3x2 + 5x - 3), and the area of its base is (x2 - 2). If the volume of a rectangular prism is the product of its base area and height, what is the height of the prism?

What is the value of this expression when z = 36? 10 - / z 4 6 -8 -26

A jug of juice has 6 cups of pineapple juice and 5 cups of orange juice. write the ratio of number of cups of pineapple juice to the total number of cups of juice in three different ways.