Write a sentence using a possessive pronoun

Suppose the coefficient matrix of a linear system of four equations in four variables has a pivot in each column. Explain why the system has a unique solution.

A rectangle has a perimeter of 60cm and an area of 210 square cm. Which equation could be solved to find w, the width of the rectangle?

Nell's mom makes chocolate milk with 30 ML of chocolate syrup for every 2 ounces of milk. Nell's dad adds 65 ML of chocolate syrup for every 5 ounces of milk.

John owns an engine which receives heat input from a reservoir at 600 K and loses heat to a sink at 300 K. What is the maximum possible efficiency of this engine? A. 25 percent B. 50 percent C. 75 percent D. 100 percent

The school choir has 84 members. The ratio of girls to boys is 3:4. How many members are girls?

Among all pairs of numbers whose sum is 16 , find a pair whose product is as large as possible. what is the maximum product

This week beth made 10 more then twice the number of cookies she made last week, x. Which expression represents the total numbwr of cookies beth made this week

Mrs. Zamir wants to buy 8 protractors and some erasers for her classroom. She has $30.00. If protractors cost $2.65 each, how much will Mrs. Zamir have left to buy eraser?

5x - (14 - x) = - 30 - 2x

Which expression correctly represents the product 12 (8 + 5) after applying the distributive property? A. (12 * 14) B. (12 * 8) + 5 C. 8 + (12 * 5) D. (12 * 8) + (12 * 5)