PROBLEM SOLVING
21. CITY MAP On the map below, Idaho Avenue bisects the angle between
University Avenue and Walter Street. To the nearest yard, what is the distance
along University Avenue from 12th Street to Washington Street?
12th St
University Ave
700 yd
Walter St
Idaho Ave
200 yd
400 yd
Washington St

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96