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.

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used