What is the result of adding these two equations?

-2x + 7y = - 5

- 2x - 4y = 6

The owner of a small chicken farm must determine a laying and hatching program for 100 hens. There are currently 100 eggs in the henhouse, and the hens can be used either to hatch existing eggs or to lay new ones.

What value does the 3 represent in the number 780,643

What is the answer 3-3x6+2=

Which of the following represents x = 1/3y written in general form? 1/3x - y = 0 3x - y = 0 x - 1/3y = 0

If you do not pay the entire credit card bill, you are charged on the unpaid part

A dust mite allergen level that exceeds 2 micrograms per gram (mg/g) of dust has been associated with the development of allergies. Consider a random sample of four homes and let Y be the number of homes with a dust mite level that exceeds 2 mg/g.

Jade wants to visit her friends but wants to know if she can visit both of them without driving over 30km. Jade lives 11.4 km of east of her friend, Jessica. Her other friend, Olivia, lives 8.9km south of Jessica.

Solve the equation. -10.1=w+5.3 what does w equal

Solve by elimination method : x - y = 2, x + y = 12.

What is the square root of 9764