Consider the system of equations.

x - 4y = 11,

3x + 5y = - 1

Which number should you multiply the first equation by to eliminate the x-variable term? A=1 B=-1 C=3 D=-3

What is a polynomial function

This graph relates the volumes of triangular pyramids with a base area of 12 square inches and their heights. According to the graph, what is the volume of a triangular prism with a base area of 12 square inches and a height of 10 inches? (A) 2.

The tiles in the floor of a bathroom are 15/16 inch squares. The cement between the tiles is 1/16 inch. There are 3240 individual tiles in this floor. The area of the floor is A. 225 sq. yds. B. 2.5 sq. yds. C. 250 sq. ft. D. 22.5 sq. yds E. 225 sq.

The equation y = 5.5x represents a proportional relationship. What is the constant of proportionality?

I don't know how to do completing the square questions in math

Given a mean of 61.2 and a standard deviation of 21.4, within how many standard deviations of the mean do the values 45,78,62,90, and 31 fall? a. 0 b. 1 c. 2 d. 3

Coral spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

Say that you are purchasing a house for 235,000 and have an excellent credit score. (4.75%) If you pay $1,678.93 at the end of the first month, how much is applied to the principle balance?

Kevin was asked to determine the length of side XZ. His work is shown. cos (34°) = (XZ) cos (34°) = 18 XZ = 21.7 Which error did Kevin make? He has the side lengths in the wrong place in the cosine ratio.

Archie crawls 7.5 feet per minute create a table that shows how many feet he crawls over 5 minutes