Which of the following is not equivalent to the formula for the circumference of a circle, C = 2pir?

A) C over r equals 2 times pi

B) C over pi equals 2 times r

C) C over the quantity of r times pi equals 2

D) Cr = 2pi

In a two-digit number the units digit is three less than the tens digit. If the digits are reversed, the sum of the reversed number and the original number is 121. Find the original number.

Count by tens and ones to find the sum 36+28

At a school, 43% of students attend the homecoming football game. Only 23% of students go to the game and the homecoming dance.

Ms Castile is about 6 feet tall. At 3:00pm her shadow is 6 feet long and the trees shadow is 26 feet long. How tall is the tree?

What is the value of the underlined digit 783,549,201 the number 4 in 549

Out of the last 50 guest, only 1 of them brought a coupon for free admission to the carnival. If there are 1500 guests expected this weekend, how many can we except will receive free admission

If f (x) = - x + 4 and g (x) = x^2 - 5, then g (f (3)) = ? A) - 8 B) - 4 C) - 3 D) 0

F K = (x, y), is Set K a function?

70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the cafeteria to attend an assembly now only 60% of the remaining students brought their lunch how many students are remaining

What percent of 150 equals 24.9