A science teacher has a supply of 7% and a supply of 64% hydrochloric acid (HCl). How much of each solution should the teacher mix together to get 24 mL of 45% HCl for an experiment?

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Given abcd ac=38 and ae=3x+4 find the value of x