Which of the following values of x make the following functions equal? y = 4x + 6 and y = 5x + 3

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

True or false? a circle could be circumscribed about the quadrilateral below.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?