If the circle radius is 27yd, how do I find the circumference without using pi?

Which graph shows a function with a range of all real numbers greater than or equal to -1

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?