Which expression can be used to determine the area, in square centimeter, of the trapezoid? Select all that apply.

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?