Nicholas has 5 1/2 cups of flour. one recipe for a cake he is making calls for 3 3/4 cups of flour. he also needs 8 cups of flour for a cookie recipe. how much more flour will nicholas need to make the cake and cookies?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6