David added 2 and - 3 using the number line tool. Which of the following errors did he make?

Josiah has a pice of wood thta meusures 10 1/8 feet. He want to make 5 shelves. if each shelf is 1 3/4 feet lon, does he have enough to make 5 shelves explain

Which one of the following statements about quadrilaterals is true?>/i> A. A parallelogram with a right angle is a rectangle. B. A quadrilateral with a right angle is a rhombus. C. A quadrilateral with two pairs of parallel sides is a trapezoid. D.

The coordinates of the vertices of a polygon are shown below. D (-4, 5), E (-1, 5), F (1, 2), and G (-1, - 1) What type of polygon is this figure?

How do you solve questions that contain multiplication or division?

Verbal expression for the algebraic expression: 12x

What is the greatest common factor of 2 and 30

Homer's annual salary is $74,308. If he works all 52 weeks a year, how much is he paid each week?

1. In a poll of students at the basketball championship, 82% of the students say that basketball is better than football. (a) Explain why it is not a valid conclusion to say that basketball is more popular than football at the school.

Whitney kicks a football off the ground. The height, h, in feet, of the football above the ground after t seconds is given by h (t) = - 8t2 + 32t.

In a school, the ratio of the number of pupils to the number of teachers is 20:1. If the number of pupils is 840, how many teachers are there?