If cosX = 1/5 and angle x is a positive acute angle, find the value of cos (X/2)

rosy waxes 2/3 of her car with 1/4 bottle of car wax. At this Rate, what fraction of the bottle of car wax will rosy use to wax her entire car.

A 24onces pitcher was filled up with two ingredients to make lemonade. If the lemonade contains 75% water, how many ounces of lemon juice are there?

A pyramid has a surface area of 648 m2. It is to be enlarged by a scale factor of 3. The surface area of a scaled figure equals the original surface area times the square of the What is the surface area of the enlarged pyramid?

Whats the answer two 7y-4=-11

What is the correct answer to - 4|5+-3|

2x898 tell which strategy

Find the volume of the figure 4 ft 4 ft 10 ft

Quotient of the number and 22

Four friends went shopping for school clothes. Kim bought 5 shirts, Jill bought 4 shirts, Leslie bought 6 shirts, and Crystal bought only 1 shirt. Which answer choice represents the mean of the shirts purchased?

A store is having a sale on walnuts and chocolate chips. For 2 pounds of walnuts and 12 pounds of chocolate chips, the total cost is $33. For 5 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $15.