For a population with u=100 and a=20, what is the z-score that corresponds to x=90?

A lab orders a shipment of 100 rats a week for experiments that the lab conducts. Prices for each weekly shipment of rats follow the distribution below. Suppose the mean cost of the rats turned out to be $ 12.63 per week. Interpret this value.

What is the value of x? 2/7 (x + 4) = - 6 A-35 B-25 C25 D35

Which ordered pair could you remove from the relation { (-2, - 1), (-1, 1), (-1, 0), (0, 1), (1, 0) } so that it becomes a function?

The GCF of 24 and 66 is

Write each expression in standard form - 3 (1-8m-2n)

What times - 4 equals 23?

The length of a rectangular wall is 16.5 feet. The height of the wall is 8.625 feet. Cameron determines the area of the wall to be 1423.125 square feet. Which best explains the reasonableness of Cameron's solution?

Find the rate of change for the solution you run 7 miles in one hour and 14 miles in two hours

Express 12,312,087 in words

Ian finds 9$ for each hour he works and 10$ for each day he works. To find out how much he makes in a day, he made the equation y=9x+10x, where x is the number of hours he works.