Answer:
$2.25
Step-by-step explanation:
First, we (always) highlight key details. In this case, we would highlight that th candy is 90 cents per pound, and the she bought 2.5 pounds. Now, we just multiply 2.5 by .90, and boom! We get $2.25. Mrs. Nixon spent $2.25 (or two dollars and twenty-five cents) on candy bars.
The function of the relationship above is y=5x+4
By the binomial theorem,
where
Then the coefficients of the 
terms in the expansion are, in order from 
to 
,
The area is 15 14/64 which simplifies to 15 4/14 becuse you multiply width times length
