a student throws 3 coins in the air. Find the probability that exactly 2 landed on heads, given that at least 2 landed on heads.

a. 1/4

b. 1/2

c. 3/4

d. 1

A bond quoted at 93 (1/8) is equal to ___ per 1,000.00 of the face amount.

List the factors of 11

The red line train arrives every 8 minutes and the blue line train arrives every 10 minutes at the station. when will they next arrive at the station at the same time

Which expression is equivalent to 2x² + 7x + 4? A. (2x - 1) (x + 4) B. (2x + 1) (x - 4) C. (2x + 1) (x + 4) D. None of these

X+8 (n+20) = 110 what is the solution?

What is the percent change from 70 to 56

Which rational number is equivalent to 3.27 repeating? A. 327/990 B. 27/99 C. 47/11 D. 3 27/10 E. 3 27/100

Which of the following is a regular polygon?

The sloping side of a cone is 10cm and the height is 8cm. find the radius of the base

Two companies make batteries for cell phone manufacturers. One company claims a mean life span of 2.5 years, while the other company claims a mean life span of 3 years (assuming average use of minutes/month for the cell phone).