The area of a square bedroom is 81 ft2. Clara says the length of one wall could be 9 feet or - 9 feet. What is Clark's mistake? Explain?

You are in $33 in eight hours at that rate how much would you earn in five hours

A surveyor wants to find the height of a hill. He determines that the angle of elevation to the top of the hill is 50°.

Justin had $14,500. He spent 45% on a sailboat and 25% on a jet ski. He put the rest in savings. How much money did he spent on the sailboat

What is 5-3x^2-2x^2-2x^3-x^3-3+3x^2

Right triangle ABC has right angle C. if tan B=8 over 15 what Is the value of sin A and cos B

Consider the quadratic equation. x^2=4x-5. How many solutions does the equation have? a.) one real solution b.) two real solutions c.) no real solutions d.) cannot be determined

What is the circumference of the circle of a diameter of 12

1/8 gram of copper and 1/3 of silicone is used to manufacture 30 headphones. how much silicone is used in each pair of headphones?

Luke earned $54 after mowing 3 lawns. Find the constant of proportionality, and then write an equation comparing earnings to lawns mowed. How much would Luke earn after mowing 7 lawns?

Sarah and Jenny are running a race. Sarah reaches the finish line, wow Jenny stopped 7/9 of the way. Draw a number line that shows where Jenny stopped. What fraction of the race did Jenny still have to finish?