Use the Quadratic Formula to find the exact solutions of x2 + 7x - 4 = 0.

-b

X=-

Vb2 - 4ac

2a

Which expression shows the result of applying the distributive property to -2(1/3x - 1/5) right answer pls.. 2/3x + 2/5 -2/3x - 2/5 2/3x - 2/5 -2/3x + 2/5

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)