What three objects at home are mathematical and why?

Manuel's quiz scores in history are 76, 81 and 77 what score must he get on his fourth quiz to have an average of at least 80?

The area of a rectangle is 60 square inches. The length of the rectangle is 7 inches longer than the width. Which equation models this situation? 7w = 60 w + 7 = 60 w (w+7) = 60w (w+7) = 60 w + 7w = 60

Subtract the following complex numbers: (11-7i) - (16-11i)

What is the Pythagorean Theorem used for? * A. To find the length of a missing side of an acute or obtuse triangle B. To find the length of a missing side of a right triangle C. To find the area inside of a triangle D.

Graph equation y=x^2-7

Leila bought 2 pairs of shoes that were the same price. Including the $3 sales tax, she paid a total of $57. What was the cost of each pair of shoes before the tax was added?

Alice takes a positive integer and increases it by 10%. Boris takes the result and increases it by 20%. Clara takes the result and increases it by 40%. Find the smallest possible integer value of Clara's result.

What is 34.984 to the nearest tenth

If (h) is the inverse of f (x), what is the value of h (f (x))

The perimeter of a rectangle is 126 cm. The rectangle is twice as long as it is wide. What are the dimensions