John is twice as old as mary. the sum of their ages is 52. how old is mary? if j = john's age and m = mary's age, which system of equations could be used to solve the problem?

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?