Consider a hemispherical tank with radius 10 ft. Suppose the tank is full to a depth of 7 ft with water of weight density 62.4 lbs/ft3, and the top 5 ft of water are pumped out of the tank to a truck whose height is 5 feet above the top of the tank. Determine the total work required to pump the water into the truck.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Find the missing variable for a parallelogram: a = latex: 32in^2 32 i n 2 h = b = 6.3 in (1in=2.54cm)