Zoe visits a departmental store to pick a can of salted mixed nuts. A 15.25 oz can of
mixed nuts is priced at $7.93 and the offer on a 25 oz can is $11.75. Assist Zoe pick up
the better deal.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?