For x2=−5, choose the correct substitution for a, b, and c in the general form of ax2+bx+c=0. a=1, b=0, c=−5

a=1, b=1, c=5

a=1, b=0, c=5

a=1, b=5, c=0

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Select the graph of the solution. click until the correct graph appears. |x| = 3

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?