Determine if (3,7) is a Solution or Not a Solution to the linear system.
y = 2x + 1
y = -4x + 7

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Having a hard time understanding this question (see attachment).