Quinn is flying a kite. The angle of the elevation formed by the kite string and the ground is 40 degrees and the kite strong forms a straight segments that is 100 feet long. How do I find the distance between the ground and the kite?

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?