Solve the system of equations using the substitution method. {4x+5y=7 {y=3x+9 enter your answers in the boxes. x= y=

What are “like terms”? why can we only add like terms?

The total number of dental clinics total for the last 12 months was recorded

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.