Which ordered pair is the solution to the system of equations?

{x+y=-1

{3x-y=21

A. (5.5, - 6.5)

B. (7, - 8)

C. (10, - 11)

D. (5, - 6)

What is the distributive property of 55+66

A gym teacher orders 42 tennis balls. Each package contains three tennis balls. Which of the following equations represents the number X of packages? X + 3=42 3x = 42 x/3 = 42 or x=3/42

Two prime numbers add to make 18 what are they

Two trees standing side by side cast shadows that are the same length.

The sum of 1/2 and four times a number is equal to 5/6 subtracted from five times the number. Find the number.

Arnold's entire workout consisted of 10 minutes of warm up exercises 25 minutes of lifting weights and 15 minutes on the treadmill what was the ratio of the number of minutes he lifted weights to the total number of minutes of his entire workout

Lines a and b are perpendicular. The equation of line a is = 13+3 y = 1 3 x + 3. What is the equation of line b?

Which graph shows a dilation of the rectangle with a scale factor of? Rectangle with vertices: (negative 3, 0), (0, negative 3), (3, 0), and (0, 3). Rectangle with vertices: (negative 2, 0), (0, negative 2), (2, 0), and (0, 2).

The graph represents this system of equations. What is the solution to the system of equations? y=4 [x = 3 - 1 / 4X O (-2,4) 0 (3,4) O (4,-2) 0 (4,3) 3

Find the simple interest on $12000 for 2 years at a rate of 6% per year