Dominic spent 2 3/4 hours on his art project. Rachel worked 1 1/3 times as long on her art project as Dominic worked. For how many hours did Rachel work on her art project? What type of math do I do and how do I find the answer

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

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle