Equation by elimination

-4x-9y=20

-2x-9y=-24

How do I do the inverse operation on 151+39=190

If a = b and b=c, then a =

Change the decimal to a fraction and reduce. 62

Your company manufactures two models of speakers, the Ultra Mini and the Big Stack. Demand for each depends partly on the price of the other. If one is expensive, then more people will buy the other.

Amy, who is 17 years old, is 5 years older than twice Moe's age. Write an equation that you could solve to find Moe's age. Solve the equation and describe your steps.

For every 5 girls in mr hegarty class there are 4 boys what us the ratio of girls to boys in the class give your answer in its simplest form

Find Three Solutions of the equation "Y = 7x - 5. A: (3, - 26), (-1, - 12), (3, 16) B: (-3, - 26), (-12, - 1), (16, 3) C: (-3, - 26), (3, 16), (1, - 12) D: (-3, - 26), (-1, - 12), (3,16) ?

Mrs. Jackson earned a 500 bonus for signing a one-year contract to work as a nurse. Her salary is 22 per hour. If her first week's check including the bonus is 1,204, how many hours did Mrs. Jackson work?

Which polynomial function has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1?

Which type of graph would be best for displaying the frequencies of ages of runners in a race, according to five-year age groups? a bar graph a circle graph a histogram a line graph