Find the sum of series 4/(4n-3) (4n+1)

Predict which statements are true about the intervals of the continuous function. check all that apply

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?