Solve the problem.The population of a small town is given by the table.
If the population is modeled by p(t) = at2 + b where t is in years and 
corresponds to the year 1980 and 
corresponds the year 1990, find a.
A. 15
B. 13
C. 30
D. 26
Answer: B
You might also like to view...
Follow the proper order of operations to evaluate the following.30 ÷ 2(8 - 4)
A. 60 B. 22 C. 1920 D. 10
Write the answer to the problem as an algebraic expression.Elizabeth earned 7 dollars a day at her job. Assuming a 5-day work week, how much did she earn in x weeks?
A. 35x dollars B. 7x dollars C. 35 + x D. 7 + x dollars
Solve the problem.A department store is having a clearance sale. The price on a television is reduced by 37%. That sale price is then reduced by another 37%. If x is the television's original price, the sale price can be represented by (x - 0.37x) - 0.37(x - 0.37x). With these two reductions, at what percentage of the original price is the television being sold? Use the factored, simplified form of the expression to answer the question.
A. 63% B. 26% C. 39.69% D. 74%
Solve.Five out of 10 adults in a certain city buy their drugs at large drug stores. If this city has 53,000 adults, how many of these adults would you expect to buy their drugs at large drug stores?
A. 26,500 adults B. 10,600 adults C. 1060 adults D. 2650 adults