Choose by clicking the graph. Find angle θ if secθ =-13/5 and tanθ is negative.

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?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Ineed i been stuck on this question since yesterday