A100-foot ramp is tilted at a 45° angle. how high is the top of the ramp from the ground?

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.