There are 18 boys in a class of 39 pupils. How many boys should be in a sample of 15 from the class?

Solve the equation. 6 (x+7) - 20=6x Solve for x.

A farmer buys a horse for $60. He sells it to his neighbor for $70. Then he discovers he could have made a better deal. He borrows $10 from his wife, and buys the horse back for $80. He then sells it to another neighbor for $90.

Each letter of the alphabet is printed on an index card. What is the theoretical probability of randomly choosing any letter except Z? Write your answer as a fraction or percent rounded to the nearest tenth.

What is the ordered pair of y-3=5 (x-2)

Alicia needs to waterproof her house's back deck, which is 18 feet by 5 feet. The waterproof coating costs $6 for a can that covers 30 aqua feet. How much will the project cost her in total?

Susan and betsy bought sport supplies for summer camp. susan bought six basketballs and one soccer ball for $27. betsy bought four basketballs and two soccer balls for $22. how much do basketballs cost? how much do soccer balls cost?

What is the answer to this equation? Algebra 1. |10-6r| - 3 = 13?

3. Which is ordered from least to great? 0.5, - 5, - 7.1, 0.9, a. 0.9, 0.5, 5, - 7.1, - 5 b. - 55, 0.9, - 7.1, 0.5, C. - 7.1, - 5, 0.5, 0.9 d. - 55,0.9, 0.5, - 7.1,

What is the fraction form of the following decimal expansion? 0.8412 repeating over the 12 A. 694/825 B. 695/826 C. 695/824 D. 694/824

Kendra bought 4 boxes of doughnuts. There were 6 doughnuts in each box. She divided the doughnuts equally among 8 people. How many doughnuts did each person receive? doughnuts