The radius of a circle is 3 kilometers. What is the circle's circumference?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.