In a certain store there are two vases with roses. Vase A has three times more 14 roses than Vase B. How many roses are in each vase if there are 78 in all?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Solve the system of equations. y= 2x y= x^2 - 15

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.