A students received a score of 50 on his history test. The test had a mean of 69 and a standard deviation of 10. Find the z score and assess whether his score is considered unusual.

A train leaves Little Rock, Arkansas, and travels north at 70 kilometers per hour. Another train leaves at the same time and travels south at 75 kilometers per hour. How long will it take before they are 435 kilometers apart?

What is the sum of the exterior angles? 105 360 145 180

What numbers equal 50 by multiplying prime

Brett had to paint 3 walls, each wall was 9 feet tall and 12 feet long, how much area did he paint?

Is greater than 43 and less than 52 if you add the song eight

Three yrs ago Reagan was three times as old as Sarah and half as old as Lauren. Three yrs from now, Reagan will be twice as old as Sarah. How old are they now?

Given that LMNO ≅ QRST, complete the statements. Side LM is congruent to side. Angle MNO is congruent to angle.

Describe all possible locations for the graph of (x, y) if x=2

What are the first ten multiples of 4

Jose and Jesus work for spic and span window washers. Jose can wash the windows at city all in 4 hours alone. Jesus can do the same job in 6 hours. if jesus and jose work together, how long will it take them to wash the windows at city hall