Round 5.78 to the nearest tenth.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

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.

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece