How to solve for the sin 11pi/2 without using a calculator?

What is the value of the expression 1_9 1 5_6

The first aircraft has 75 more seats than the second aircraft. The third aircraft has 49 fewer seats than the second aircraft. If their total number of seats is 401 , find the number of seats for each aircraft.

calvin is taking megan to dinner. the bill is $28. if calvin leaves a 20% tip, how much tip will he leave.

Explain how u can use conversion factor in fraction form to convert 1900 ml to L

Find the Unit Distance between Q (-4,6) and T (-15,-8) rounded to the nearest hundreth.

A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?

Solve the inequality, then identify the graph of the solution. - 3x-3<6

If the slant height of a right cone is 5 inches, and the radius of its base is 3 inches, what is the lateral area of the cone?

How do you convert - 80 to Celsius

You are a landscaper and need to mulch 15 yards of plant beds. You have 20 bags of mulch and each bag covers 3 feet. How many bags of mulch will you have left over?