There are 700 students at Bowman High School. The students come from Wylie Middle School, Parker Middle School, and Richardson Middle School. Of the 28 students in Mr. Henry's gym class, 4 are from Richardson Middle School.
Based on this information, what is the best prediction for the number of students at Bowman High School that come from Richardson Middle
School?
OA 90
OB. 100
ООО
c. 115
O D. 175
O E. 230

Which expression shows the sum of the polynomials with like terms grouped together

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)