The table shows the amount of money Tyler earns for mowing lawns. Is the relationship a proportional relationship? Complete the explanation. Number of Lawns 1 2 3 4
Amount Earned ($) 13 26 45 60

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

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

How do you write something in scientific notation?