Which is the best estimate for this expression ?
a) 300
b) 40
c) 3
d)0.4

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?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i