1. Here are the first 5 terms of an arithmetic sequence.
2
9
16
23
30
a) Find, in terms of n, an expression for the nth of this sequence.

b) Write down the 15th term of this sequence.
Answer..

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

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.

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.