When solving a system of equations, how do you determine which method to use? (substitution, elimination, graphing)

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.