What is the solution the this equation? solve using linear combination method:

{-2x+y=-17

{3x+y=23

Lacy put 10 gallons of gaa in her car. then she used 2 and 3/4 gallons then she used 1 and 1/2 gallons then she she used 3 and 1/4 gallons. how muxh of the oeifinal 10 gallons od gas is left i. jer vat?

A bag contains 5 red poker chips, 3 blue poker chips and 7 white poker chips. Two chips are drawn without replacement. Find the probability that the first and second are red.

What is the number that has 2 hundreds and the tens digit is 9 more than the ones digit?

The equation y equals negative 5.131 x squared plus 31.821 x minus 3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a. m. What is the best estimate for the number of people in line at 7 a. m.?

What is the factor form of the polynomial X2-12+27

18 7/9 + 16 = Simplest form

What is 7.58E8 expressed in standard notation? a. 0.0000000758 b. 0.000000758 c. 758,000,000 d. 75,800,000,000

To study how high a ball bounces student drop the ball from various heights. The function h (t) = - 16t^2=h 0 gives the height in feet of ball at the time t measured in seaconds since the ball was dropped from a height of h 0.

Jack has $25 to spend at the mall. whats an inequality that expresses symbolically the amount of money, M, that Jack can spend

How will the solution of the system y > 2x and y < 2x change if the inequality sign on both inequalities is reversed to y < 2x and?