Whats 4x-y=-8

-5x-y=10

using the elimination method

A polygon with 5 sides is shown with its exterior angles. The exterior angles are 62 degrees, 66 degrees, 77 degrees, 59 degrees, and (12 x) degrees. What is the value of x? 6 8 10 12

Trig identities how to prove 1 - (sin^2x) / (1+cosx) = cosx

North high school has 5000 students. South high has 1/10as many student as south high school. how many students are there at south high. School

What is 7803 divided by 47?

How do the x - and y-coordinates change when a figure is translated right a units and down b units?

The sum of a number and twice its reciprocal is 27/5. Find the number.

Airbus is a major manufacturer of aircraft in Europe. Each of their A330 planes costs around 40 million dollars and Airbus' revenue (money coming in) can be modeled as a function of the number of aircraft it sells.

Which function has an inverse that is a function? A. b (x) = x^2+3 B. d (x) = -9 C. - 7x D. p (x) = lxl

Is 6.013 less than 6.08

What is nine 91, 284 rounded to hundred thousand