Average cost is $8,500 per term. Study conducted show cost is higher $8,745 per term. Population standard deviation is $1,200. Let a=0.05. What is the test statistic for this test?

Which equation requires the division property of equality to be solved?

15 points ! ~ see if you know the answer to both you!

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.