Tricia is going to write patterns, a,b and c using the rule add 15.the first number in each pattern is shown below. use the drop down menus to describe the patterns

christopher is 272,195 year old

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.