Solve and simplify using the square root property x2-8=11

Mr. Mole left his burrow that lies below the ground and started digging his way at a constant rate deeper into the ground. After 5 minutes of descending at a rate of 1.8 Meters per minute, he was 13.5 meters below the ground.

Find angle A if measurement of arc mDE is equal to 70° and measurement of arc mBC is equal to 12°.

Emily uses 1 2/3cups of sugar and 3 1/4cups flour to make muffins she says she has12/3 more cups of flour than sugar

Monica has a triangular piece of fabric the height of the triangle is 15 inches and the triangles base is 6 inches Monica says that the area of the fabric is 90 inches what error did Monica make explain your answer

If X=2 calculate the value of: 2x² - X

For a school fund raising project, Aiden and Jacob collected money in the ratio 3.5 : 6.8. Jacob collected $115.50 more than Aiden. Find the total amount of money they collected.

The Wilsons have triplets and another child who is thirteen years old. The sum of the ages of their children is 31. How old are the triplets?

Angle A and B are complimentary. Angle A is 12 more than twice angle B what is the measure of each angle

Which of the following is a perfect square? 65, 144, 68, 131

How many times larger than 2 x 10 to the power of 3 is 6 x 10 to the power of 6?