What's the equation of a line that passes through points (–1, –5) and (1, 3)? y = 4x – 1

y = –2x

y = –x + 4

y = 14x – 2

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.