During a field trip to a local soda manufacturing plant, students watched as 12 sodas were dispensed in 1.5 minutes. at this rate, how many minutes will it take to dispense 12 dozen sodas ?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Evaluate the expression for the given value of the variable 7a - 4a for a =8