What is the value of g? round your answer to the nearest tenth. 18.6 ft 20.4 ft 21.4 ft 24.0 ft

What statement is true? 2x^2-9x+2=-1

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Which expression is the factorization of x^2+10+21