Write the sum in summation notation. 3 + 7 + 11 + 15 + 19

(Answer choices)
sum of ((4k - 1)) from (k=1) to (5)
sum of ((k + 2)) from (k=3) to (19)
sum of ((3k + 2)) from (k=3) to (19)
sum of ((4k + 1)) from (k=1) to (5)

(a) what was jennifer's gross pay for the year? (b) how much did she pay in state income tax? (c) the amount in box 4 is incorrect. what dollar amount should have been entered in box 4? (d) the amount in box 6 is incorrect. what dollar amount should have been entered in box 6? (e) how much was jennifer's fica tax? (f) jennifer's taxable income was $32,104. she's filing her taxes as head of household. does she owe the government more in taxes, or will she receive a refund? how much will she owe or receive?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?