Let C be the curve given parametrically by r(t) = ⟨t + 3, 4 − 2t⟩, t : 1 → 2; if f(x, y) = 2x + 4y, the value of ∫C f(x, y) ds is? A. 0
B. 13√5 5
C. 4√5 5
D. 26√5 5
E. 22√5

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

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18