Two contestants on biggest loser are Valerie and Oscar. Their weight loss progress is shown below. Valerie’s weight loss is shown by this function, where W is her weight in pounds and T is the time in weeks W=235-2.5T. Oscar’s weight loss is tracked by the table below.
Weeks 0,2,5,6
Weight 247,243,237,235
Who weighed more at the beginning of the show?
Who is losing weight faster?

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10

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

Use the squared identities to simplify sin^2x cos^2x