Penny buys 3 bouquets of flowers for $3 each and 4 bouquets for $2 each. Which expression gives the total cost of the bouquets that Penny buys? A.
33 + 42
B.
33 + 24
C.
33 + 4 × 2
D.
32 + 4 × 2
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(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Trigonometry help asap

Don't know how to find x given these segment lengths