I NEED HELP Now that you have learned about quadratic formula. Explain how you would solve x^2+4x-21=0x 2 + 4 x − 21 = 0 using the quadratic formula. Please be sure to include math vocabulary in your answer.

2-3 6. use your equation to find how high tyler will have to climb to scale the peak. (4 points: 2 points for correctly substituting values, 2 points for the correct height)

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?