Does the following system have a unique solution? Why?

3x+2y = 9

14x + 10y = 14

What is 56times 3955

Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 579 and a standard deviation of 94. Use the 68-95-99.

The diameter of a ping pong ball is 4.0cm. find the length in kilometers of a row of 6.02*1023 ping pong balls.

Marvin bought 16 T-shirts. The shirts came in p packages. Write an expression that shows how many T-shirts were in each package. Type an asterisk (*) if you want to use a multiplication sign and a slash (/) if you want to use a division sign.

Play Ball Little League baseball games are only played on Tuesday nights and Saturday afternoons. Rod is playing center field. If he can't see a pop fly because of the bright lights at the ballpark, then what day is it? A. Monday B. Saturday C.

Question 1: Which ordered pairs are a solution to the equation y=2x+6 Select all that apply (0,6) (-1,4) (-1,-4) (3,12) Question 2: Which ordered pairs are a solution to the equation y=4-2x Select all that apply (-1,2) (0,4) (-1,6) (1,6)

The mass of Pluto is approximately 1•10^22kg, while the mass of Neptune is approximately 1•10^26kg. Which of the following is true? A. The mass of Neptune is approximately ten thousand times that of Pluto. B.

Find the discriminant. u2-2u-5=0

How many corners does a cube have? how many faces does a cube have? how many other cubes would share a given corner atom or face atom if several cubes were stacked side-to-side, front-to-back, and top-to-bottom?

What is the difference between - 4x - 6 and 2x + 4? Show work.