Roadway signs such as the one shown are used to warn drivers of an upcoming steep down grade. What is the grade, or slope, of the hill described on the sign?

Which expression gives the area of the triangle shown below

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c