Ryan uses the expression 15x + 50 to represent how much he will earn in a month. Kim uses the
expression 20(x - 2) to represent how much she will earn in a month. In both expressions x represents the
number of hours worked. How much more does Kim earn in a month than Ryan?
A.5x - 90
B.5x-10
C.35x + 10
D. 35x - 90

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.