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.

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

What is the perimeter of square abcd? units units 28 units 37 units

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)