A) Solve: d - 1/4 = -1/2 (Make sure to explain each step.) b) Solve: m + 4 . 8 = 9 . 2 (Make sure to explain each step.)

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.