Multiple choice, pls θ lies in quadrant ii . sinθ=4/7 what is the exact value of cosθ in simplified form?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

What number line represents the solution set for the inequality -1/2 greater than or equal to 4