Solve the equation.
= 7
A. 
B. 
C. 
D. 
Answer: D
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Solve the initial value problem, if possible.ty'(t) - 7y = 7y2, y(1) = 4
A. y = 
B. y = 
C. Not separable
D. y = 
Solve the problem.Find the skid distance after braking hard at a speed of 85 miles per hour. Use the formula 
where D represents the skid distance in feet on asphalt and S represents the speed of the car in miles per hour. Round to the nearest hundredth when necessary.
A. 1179.59 ft B. 294.9 ft C. 589.8 ft D. 45.63 ft
Write a set representing the statement.The natural-number multiples of 4 greater than 11 and less than 61
A. {12, 20, ..., 60} B. {12, 16, 20, ..., 60} C. {16, 20, ..., 60} D. {11, 61}
Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $200,000, find each worker's salary.
A. president's salary = $150,000; department head's salary = $50,000 B. president's salary = $100,000; department head's salary = $50,000 C. president's salary = $50,000; department head's salary = $150,000 D. president's salary = $15,000; department head's salary = $5000