Abank charges a monthly fee if the average monthly balance of your account is less than $5000. the table shows the balance of your account the first four months it is open. find the average monthly balance of your account after the fourth month. do you have to pay the fee after the fourth month? month 1 : $4801.50 month 2 : $5198.42 month 3 : $5254.36 month 4 : $4932.87

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.