What fraction of 200 gallons is 171 L? Give your answer in simplest form. 1 gallon = 4.5 L. PLEASE HELP

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes