What is the coefficient of the first term in this expression?
c+6a

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract

she will do 520 after 52 weeks

hope this : )