janet's car insurance payment decreases by $20 each year. wich expressions represent the total change in her payment, in dollars, after 5 years

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.