What does this equal 2 (x+4) = 22

Assume you are given two right triangle with congruent hypotenuses and wish to show that they are congruent

What does x equal in - 3+5x=-26

In 1987, the population of the United States was approximately 2.44 x 108 people. The national debt of the United States in that year was approximately 2.50 x 1012 dollars. In scientific notation, how much debt is this per person? A) 1.

The size of each interior angle of a regular polygon is 8 times the size of each exterior angle. Work out how many sides the polygon has. Let the size of each exterior angle be x degrees in your working.

Can 8/15 be simplified? If so what is it?

Evaluate the expression below when y = - 3. 2y + 7 -4y - 10 A. -1 22 B. -13 2 C. 1 2 D. 1

A science teacher ordered $660 worth of microscopes and dissection kits for the new science lab. A total of 22 microscopes and 44 dissection kits were ordered. A microscope costs three times as much as a dissection kit.

The square root of a 100 is it a whole number or natural number

How do u expand 500,000

How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm