Ms. Chu is in charge of the school music assembly. The assembly is 100 minutes
in length and contains music from 3
different ensembles. She would like less
than 13 minutes of "down time" during
the assembly, which includes the time it
takes the ensembles to get on and off the
stage. Each ensemble will have the same
whole-number amount of time, in minutes,
to perform. How many minutes should Ms.
Chu allow for each ensemble?

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Complete the equation of the live through (-1,6) (7,-2)