One brand of suntan lotion comes in a small size with x ounces of lotion and a regular size with y ounces of
lotion. Given the equations below how can we eliminate the terms with x?
X+2y = 15
2x + y = 19.5

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation

What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )

If a seller prepaid the taxes of $4,400 and the closing is set for may 19, using the 12 month/30 day method what will the buyer owe the seller as prorated taxes?