The double number line shows that a water park allows 18 people to go down their giant water slide
in 3 minutes. How long would it take 12 people to
go down the slide?

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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

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

What is the period of the sinusoidal function ?