12. The formula for the volume of the right circular cylinder shown is V = ar?h.
If r = 2b and h = 5b +3, what is volume of the cylinder in terms of b?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.