Gracia worked 8.2, 6.9, 10.1, 8.6, and 8.9 hours this week. She worked about 8 hours longer than last week. About how many hours did she work last week?

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

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab