Can someone please help me solve the following 3 calculus problems?

Homework: 4.43 Average Value am Score: 0 of 1 pt 1 5 of i" (4 complete} 1' } HW Snore: 23.57%. 2 of 7 pts Bus Econ 4.4.45 55 Question Help {3: A company determines that its marginal revenue perday is given by R'm, where Run} is the total accumulated revenue. in dollars, on the tth day. The company's marginal cost per day is given byc'), where C(t) is the total acmmulated cost, in dollarsI on the Hh day. R'(t)=150 8'. em) = a; C'tt}= 150 0.31. em) = u a] Find the total prot P{T} from t= E] to t= 10 {the rst 10 days}. T P(T) = em cm = In [R'(t} cm] dt The total prot is $|:. {Round to the nearest cent as needed.) Homework: 4.43 Average Value save Score: 0 of 1 pt { 5 of i' (4 complete} v p HW Soore: 28.57%. 2 of 7' pts BUS Econ 4.4.47 55 Question Help :3 A oompany determines that its weekly online sales1 3(t}. in hundreds of dollars, I weeks after online sales began can be estimated by the equation below. Find the average weekly sales for the rst 3 weeks after online sales began. S{t}=99t The average weekly sales amount is $ (Rou nd to the nearest oent as needed.) Homework: 4.43 Average Value am Score: 0 of 1 pt El ? of r (4 complete} v r HW Score: 28.5?%. 2 of 7 pts Bus Econ 4.4.49 55 Question Help i} A company determines that its weekly online sales, an}, in hundreds of dollars, tweaks after onlina sales began, can be estimated by [he equaon below. Find lhe average weekly sales for weeks 2 through a (t = 1 to l= B). elt}=2e' The average weekly sales amount is $El. (Round to the nearest oenl as needed.)