Given the system of equations, what is the value of the system determinant? x + y = 8 x - y = 10 a. 0 b. -1 c. -2 given the system of equations, what is the value of the y-determinant? 3x + y - 10 = 0 4x - y - 4 = 0 a. -28 b. -14 c. 28

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?