A Industries produces flash drives for computers, which it sells for $20 each. Each flash drive costs $12 of variable costs to make. During April, 1,000 drives were sold. Fixed Costs for March were $2 per unit for a total of $1,000 for the month. How much is the contribution margin ratio?

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