The banner over the finish line of a running race is 400. centimeters long and 85 centimeters high. what is the area over the banner?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle