Simplify the expression.
(3.48×10^3)×(9×10^4)+(9.9×10^8)

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

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