4. Which of the following is the equation for the parabola that passes through the point ( 4, 13) and has a vertex at (2, 1)?

a) Bbx) = 3(x-4) +13
b) gix) = 3x - 13) + 4
c) 8x) = 3x - 2y + 1
d) EDX) = 3x - 1)' + 2

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?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply