If you gave the waiter 25% tip on a bill for $55 how much money did you give the waiter

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?