Pls pls pls pls help it's 12:10am

The slope of a line is -1/2 . what is the slope of a line that is parallel to it? a. 1/2 b.2 c. -1/2 d. -2

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.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction