Can you help me with my calculas

A so'Fthdrinlc vendor at a popular beach analyzes his EBIE records and finds that if he sells x cans of soda pop in one day, his profit [in dolls rs) is given by x) = 4.0018 + 4x 1.825. What is his maximum prot per day? $: How many cans must he sell for maximum prot? :ms When a certain medical drug is administered to a patient, the number of milligrams remaining in the patient's bloodstream after t hours is modeled by D(t) = 70e-0.4t How many milligrams of the drug remain in the patient's bloodstream after 2 hours? (Round your answer to one decimal place.) mgIf $1500 is invested at an interest rate of 5.5% per year, compounded continuously, find the value of the investment after the given number of years. (Round your answers to the nearest cent.) (a) 2 years X (b) 4 years $ X XConsider the Following. 1 + eh: + 1 = 40 (a) Find the Enact solution of the exponential equation in terms of logarithms. (In) Use a calculabor to nd an approximation to the Solution rounded to 5i: decimal placa. A farmer has 1,070 acres of land on which he grows corn, wheat, and soybeans. It costs $45 per acre to grow corn, $60 to grow wheat, and $50 to grow soybeans. Because of market demand the farmer will grow twice as many acres of wheat as of corn. He has allocated $56,500 for the cost of growing his crops. How many acres of each crop should he plant? corn acres wheat acres soybeans acres