Super easy question that i was ! what are your chances of winning a sweepstakes if there are 48374 and you have 30 entries?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.