Mark is solving the following system. X+y+Z= 2(1)

3x+2y+z=8 (2)

4x-y-Tz= 16 (3)

Step 1: He multiplies equation (1) by 7 and adds it to equation (3). Step 2: He multiplies equation (3) by 2 and adds it to equation (2)

Which statement explains Mark's mistake?

the answer is c

Step-by-step explanation:

i just finished the quiz

rick would give her the best deal as he will charge $8.88 per hour

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.