Solve the system of equations by substitution

x=-4y

x+5y=2

(-8,2)

(8,-2)

(2/9,8/9)

(-12,3)

Simplify where possible c+2d - (-3c)

in a certain algebra class of 26 students, 16 of them play basketball and 9 of them play baseball. there are 5 students who play both sports. what is the probability that a student chosen randomly plays basketball or baseball

The area of a triangle is 10 square inches and its height is 5 inches. Find the base. A. 2 in. B. 4 in. C. 25 in.

Suppose there are 297 students going on a field trip. If each schoolbus carries 58 students, estimate the number of buses needed to carry all students.

Nvm i just got the question done

By how many is 6 less than 14

In order for a film camera with a lens of fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows: 1/F=1/X + 1/Y.

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

3 divided by 579 and show the work

A flower garden is 4 feet longer than its width w. Write a polynomial the represents the area of the garden.