In one quarter Stuart uses 2512 units of electricity. Part of his electricity bill is shown below. Units used = 2512 Cost of first x units at 12.86p per unit = £ Cost of remaining units at 11.8p per unit = £ Total cost of electricity used = £298 work out the number of units, at 12.86p per unit, that Stuart used. Give your answer to the nearest unit.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

The length of the line segment ac is 8x-9 what is the value of x