If the area of a circle is 12.56 square centimeters, then what is the radius

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

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?

the radius of the wheel on a car is 21 inches. if the wheel is revolving at 202 revolutions per minute, what is the linear speed of the car in miles per hour