First, give the sum of the two expressions. Then, subtract the second from the first expression. 1. 4x; -7x
2. -20y; -40y
3. -3xy²; 5xy²
4. 9yz; -14yz
5. -6x²; -7x²

Please answer this with solution.

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Explain why the factor 1.5 is broke. into two numbers in the model.