1. (5m + 3n) + (4m - 6n)
a. 9m + 9n
b. 9m - 3n
c. 9m + 3n
d. 13mn
2. multiply: (x + 1)(x - 2)
a. x2 - 2
b. 2x - 2
c. x2 - 2x - 2
d. x2 - x - 2

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

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Proportions in triangles solve for x