2x + 3y = - 11

-8x - 5y = 9

What is the GCF of 15 and 45?

Find the center and radius of the circle x^2 + y^2 - 6y - 16 = 0

Hiram sells kites to various corporations. To maintain his business, he must sell an average of 50 kites per month. After 5 months, Hiram has sold 30, 42, 77, 90, and 52 kites in each of the 5 months.

Find the zeros of the following polynomial x^2-2x+1

What is the z-score with a confidence level of 95% when finding the margin of error for the mean of a normally distributed population from a sample? 0.99 1.65 1.96 2.58

Rt and wt are parallel lines which angles are alternate interior

I am a number that tells how many times the bass is used as a factor

There are 6 boys and 7 girls in the school jazz school band? find the ratio of the total number of boys

Select all the correct answers. Which relations are functions? A: x y -2 - 4 -2 - 6 0 - 8 2 - 10 B: x y 0 4 10 5 20 6 10 7 C: x y 2 - 10 1 - 20 0 - 10 -1 - 20 D: x y 2.5 0 3.5 4 4.5 8 6.5 12 E: x y -10 4 -20 5 0 6 -10 7

Which of the following correctly expresses the number in scientific notation 645,000,000