a community hall is the shape of a cuboid. the hall is 40m long 15m wide and 3m high. The community hall needs re-decorating with new paint for the walls and ceiling and new titles on the floor. a 10 litre tin of paint covers 25m squared and costs £10.1m squared floor titles cost £3 each. work out the total cost of paint and titles needed to re decorate the community hall.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?