From which source can investors access accurate information about the market prices and movement of stocks? A.
financial newspapers
B.
all television channels
C.
colleagues at work
D.
friends and family

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13