How do you do inverse operations with square root

Carly's number is four less than Henry's number. The sum of their numbers is 77. Find the number

Mr. mays drove 20 miles in 24 minutes. At this rate, how many miles did he drive in 6 minuts

Which subtraction expression has the difference 1 + 4i? (-2 + 6i) - (1 - 2i) (-2 + 6i) - (-1 - 2i) (3 + 5i) - (2 - i) (3 + 5i) - (2 + i)

Solve for x: 3:4x + 5/8=4x What is the answer

A bathtub is filling with water at a rate of 60 liters per minute. How many liters of water are in the bathtub after t minutes?

Solve, using the substitution method. y = 4x + 6 5x - y = 6

Consider triangle ABC. The legs have a length of 5 units each. Triangle A B C is shown. Angle A C B is a right angle. The lengths of sides A C and C B are 5. The length of the hypotenuse c is unknown.

This math question i really dont get ... A city park contains a cylindrical artificial pond that has a radius of 7.5 m. A 2 m concrete deck will be constructed around the pond. The concrete should be at least 15 cm thick.

What is the union of the sets M = (1, 7, 10, 11, 15) and N = (5,15) ?

The price of oil, in dollars per barrel, decline last week by 3.5%. If it starts the week at $102.00 per barrel, at what per barrel price did it end the week?