Which is the best estimate of the circumference of this circle?

At 2.15 pm and leaves at 4.45 pm on Thursday

In triangle ABC, angle A = 38 degrees 40', a=16, b=20, and angle B is an obtuse angle. What is the measure of angle C to the nearest ten minutes?

What is 27A when A is=5

What two factors of - 15 have a sum of - 2?

5/7 of the 63 students in gym class are wearing blue shorts. Some of the students are girls and the rest are boys. The ratio of the number of girls wearing blue shorts to the total number of students wearing blue shorts is 3:5.

How to simplify tan 11pi/2

What is the first 8 multiples of 4?

Suppose that 5% of the general population has a disease and the test for the disease is accurate 80% of the time. What is the probability of testing positive for the disease?

Ryan missed 20% of the questions on his social studies six weeks test. If there were 60 questions on the test, then how many questions did Ryan get RIGHT?

A certain batch of fireflies was observed to "flash" at the rate of 20.8 times per minute at 25°C, and at the lower rate of 5.0 times a minute at a temperature of 15°C.