Find the conjugate of 9 - (-4i).

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Solve the system of equations y= 3/2 - 1, -x+ y =-3