Marla received a $15 tip on a meal that cost $75. What percent of the meal cost was the tip?
15%
20%
22%
25%

What is the 12th term of b(n)=-4-2(n-1)

Use the distributive law to multiply. 3(4x + 5y + 6)

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?