2x + 3y = 4 and - x + 4y = 7 Tell whether the ordered pair (-1,2) is a
solution to the linear system.

What is the equation of the graph below? y=sec(x)-4

9/10 divide by -3/15 as a mixed number

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.