The hypotenuse of a 30°-60°-90° triangle has a length of 20 cm. Which could be the length of a leg of the triangle? Select all that apply. A. 10 cm
B. 12 cm
C. 16 cm
D. 103√ cm

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Which value would be a solution for x in the inequality 47-4x< 7