−1 4/5 + (−1/4) + (−1/5) add and simplify, please only right answer and proof of why you think your answer is correct, if you took the test yourself and posted an answer here, please place an image of the correct answer on the test.

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

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?