Sorry I don’t know that one but I recommend using the app photomath it really helps

Multiply -7 to both sides:
Add 10 to both sides:
Divide 2 to both sides:
Probably 2520$ that will be how many she would hav
Answer:
B
Step-by-step explanation:
Let x be the number of packages of paper towels.
Each package of paper towels costs $2.79.
Then x packages of paper towels cost $2.79x.
Hence, a function f(x) is

Practically, you can buy 0 packages, 1 package, 2 packages and so on, only whole numbers of packages, so practical domain is all whole numbers.
Elena should put a point where the two circles intersect and draw line segments connecting that point to points A and B to finish her triangle.