Deshawn is filling out online applications for summer jobs. so far, he has filled out 7applications. fiona has filled out 3 times as many applications as deshawn. how many more applications has fiona completed than deshawn? which best shows whether or not 14 is a reasonable answer? it is reasonable because 7 × 3 – 7 = 14. it is reasonable because 7 + 3 + 7 = 17. it is not reasonable because 7 + 3 – 7 = 3. it is not reasonable because 7 × 3 + 7 = 28

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

How can (square root of 25) ^2 be rewritten?

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?