Kiran surveyed a random sample of students in her school district, and she found these statistics:
P{rides bike to school})=0.14
P{has crossing guard})=0.48
P{rides bike and crossing guard})=0.12

Find the probability that a student rides a bike to school, given that the student's school has a crossing guard.

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)