Use FOIL to multiply.(y - 7)(y + 1)
A. 2y2 + 7
B. 2y - 7
C. y2 + 6y + 7
D. y2 - 6y - 7
Answer: D
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Solve the problem.The table shows the population of a certain city in various years. The population of the city f(x), in hundreds of thousands, can be modeled by f(x) = axb, where x represents the number of years since 1995. Estimate the population of the city in the year 2021. (You will first need to use regression to estimate the values of a and b).
A. 1,318,550 B. 1,365,641 C. 1,177,277 D. 1,240,963
Solve.A case of candy bars has 2 layers of candy bars. In each layer are 4 rows with 14 candy bars in each row. Find how many candy bars are in a case.
A. 112 candy bars B. 111 candy bars C. 122 candy bars D. 102 candy bars
Prove the identity.
= 
What will be an ideal response?
Solve the problem.The temperature one day was reported to be 37°F. The next day, it was reported to be -4°F. By how many degrees did the temperature drop?
A. -33°F B. 41°F C. 33°F D. -41°F