3x+y=2 2x-y=3

x-y=-3
x-2y=-1

4x+y=2
4x+y=-3

x+2y=3
2x+4y=6

3x-2y+7
2x+3y+9

please help me

Which of the following is the true for f(x) = 5cos

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Sun country bus lines has 80000 shares of stock outstanding what would the dividend per share of stock be from a dividends declaration of 109600