Solve the system of equations by substitution:

3x=y

2x+5y=-34

Find the volume of a pyramid with a square base, where the perimeter of the base is 5/text{ in}5 in and the height of the pyramid is 3.6/text{ in}3.6 in. Round your answer to the nearest tenth of a cubic inch.

Kayla walked 1 1/4 miles from home to school. Then she walked 1 3/4 miles from school to the store and 2 1/2 miles from the store to the library. How many miles did Kayla walk from school to the library

A jacket usually sells for $69.00. If the jacket is 30% off, and sales tax is 6%, what is the total price of the jacket, including tax? A. $51.45 B. $73.14 C. $73.27 D. $51.20

1.2 big ideas math blue Puzzle time

If JKL MNP, which statement must be true?

A literary magazine editor must choose 4 short stories for this month's issue from 17 submissions. in how many ways can the editor choose this month's stories?

I wanna know what 6x times 2 would be

How to add 3+2-7+4-+w

Bridget needs an actor actor is offering her services for initial $250 in addition to $40 per day actor beers offering her services for an initial $160 in addition to $50 per day when will the two actors change the same amount of money

Given the function f (x) = 2 (x + 8), find x if f (x) = 12. A) 2 B) 40 C) - 2 D) 14