How do you use the Descartes' Rule of Signs?

A triangle has a base of 3 2/5 inches and an area of 5 1/10 square inches. Find the height of the triangle. Show your reasoning

Which of the following, When substituted for variable, makes the equation 7x=28? 1/4 4 3 14

What is a value or values that make an equation true

A diagonal of a cube measures 30 inches. The diagonal of a face measures StartRoot 600 EndRoot inches. In inches, what is the length of an edge of the cube? Round the answer to the nearest tenth. inches

Jenny made 5 loaves of banana bread that had 1/4 cup of oil in each loaf. after she was done baking, she had 5/8 cup of oil remaining. how much oil did she have before baking.

6 years ago, Luther won some money in the lottery and put it in a bank account that earns 8% interest compounded monthly. If Luther currently has $6,000.00 in the bank account, how much interest has he earned?

It cost $36 per person if 75 people rent the bus. How much will it cost per person if 100 people rent.

If angle 1 is 23 degrees and they state angle 2 is complement what would it be

An item is regular priced at $65. It's on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

Which answer shows this equation written in standard form? 8 - 1 (x - y) = - 3x + 5 A. 2x + y = - 3 B. 2x - y = - 3 C. -4x + y = - 3 D. 2x + y = 13