Whoever answers this in 3mins gets !

a figure to the left of the line x = -3 is reflected across the line x = 1, and then its image is reflected across the line. what is the slope and magnitude of the equivalent translation vector?
a. 0; 4
b. 0; 8
c. undefined; 4
d. undefined; 8

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)