On a given morning the temperature was 71°f. the temperature dropped 5°f and then rose 8°f. how much does the temperature need to rise or fall to return to the initial temperature of 71°f? a) fall 8°f b) fall 3°f c) rise 8°f d) rise 5°f

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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?

Which expression is equal to (f+g)(x)?