Ab is tangent to circle o at b. find the length of the radius r for ab = 5 and ao = 8.6. round to the nearest tenth if necessary. the diagram is not to scale.. answer. a.3.6. b.13. c.7. d.9.9.

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.