which of the following expressions does not equal: the sixth root of 81x^4y^8 a. (3xy^2)^2/3 b. (3x)^2/3y^4/3 c. (3x^2y^4)^1/3 d. cube root of 9x^2y^4
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis balls. Assume that the balls touch the sides, top, and bottom of the can. Round your answer to the nearest hundredth. What is the volume not occupied by balls?
lara has a tin of peanuts cashews and pecans she will pick a second nut without looking. how many outcomes are there for her two picks?
A tree casts a shadow 27 m long. At the same time, the shadow cast by a 66-cm tall statue is 56 cm long. Find the height of the tree to the nearest tenth of a meter?
write a system of equations and solvea class of 195 students went on a field trip. They took 7 vehicles,some cars and some buses. find the number of cars and number of buses they took if each car holds 5 students and each bus holds 45 students.
The diameter of a cylinder is 6 feet 6 inches. The height of a cylinder is 12 feet 3 inches. What is the surface area? (feet squared)What is the volume? (feet cubed)
If X is the set of negative numbers and Y is the set of positive numbers, then the union of X and Y and 0 is the set of (A) all real numbers (B) all integers (C) all rational numbers (D) all irrational numbers (E) all odd integers
Amy raised £n for charity. Chris raised £18 more then any. The mean amount raised by the two of them is £45. Work out how much money each one of them raised.
Liz wants to drink 1.5 litres of water each day. She buys the water in packs of 6 bottles. Each bottle contains 0.5 litres of water. How many packs of water does she need to buy for 10 days
