Simplify.(3i)4
A. 3
B. 81i
C. -81
D. 81
Answer: D
Mathematics
You might also like to view...
Graph the ellipse.4(x + 1)2 + 9(y + 2)2 = 36
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by the method of your choice.7x2 = -12x - 2
A. 
B. 
C. 
D. 
Mathematics
Use the roster method to identify the elements of the set.The whole numbers greater than 3 and less than 7
A. {3, 4, 5, 6, 7} B. {4, 5, 6} C. {3, 4, 5, 6} D. {4, 5, 6, 7}
Mathematics
Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model 
where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 48 miles per hour B. 73 miles per hour C. 98 miles per hour D. 149 miles per hour
Mathematics