The diagram shows a 9cm x 7cm rectangle based pyramid all the diagonal sides- TA TB TD are length 12cm work out angle TAC to one decimal place

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?