A + b = 10

a - b = 2

Solve the system of equations.

When might recording numbers using scientific notation be preferred over using standard notation?

What is the volume of a sphere if the radius is 6.3? Use 3.14 for pi. Round your answer the the nearest two decimal places.

Which of these figures must be a rectangle? O A. A parallelogram with at least one right angle B. A parallelogram with four congruent sides C. A trapezoid with at least one right angle D. A trapezoid with two congruent sides SUF

Is x + 8 equivalent to 7x + 4 + 5 x - 1

4,8,16,24 - what are the next two terms in this pattern?

What's the vertex for y=2x^2-12x+19

What is the decimal of 1/2 percent

The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the base of the pyramid in inches?

What is the relationship between the decimals 0.09 and 0.9

A group of winning ticket holders share equally 90,000,000 lottery. Before the money is divided, three more winning ticket holders are declared. As a result, each persons share is reduced to 5,000,000.