Select the correct answer from the drop-down menu.
Which ones are equal matrices.
A and B
B and C
Cand D
D and A

50 points! 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.

Solve the system of equations. y= 2x y= x^2 - 15

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?