Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.y1/3(y4/9 - 5y2/9)
A. y4/27 - 5y2/27
B. y3/4 - 5y3/2
C. y-1/9 - 5y1/9
D. y7/9 - 5y5/9
Answer: D
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Answer the following statement(s) true (T) or false (F)
Lubienski (2000) found that all of the students in her study preferred the Connected Mathematics Project approach to learning functions over more traditional, directive approaches.
Determine whether the geometric series converges or diverges. If it converges, find its sum.
 FIGURE 1.png)
Solve the problem.The quadratic function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1936, 51 years old B. 1953, 36 years old C. 1964, 21.1 years old D. 1964, 51 years old
Solve the problem.Jeremy's car gets 286 miles of highway driving on 11 gallons of gasoline. What is the mean number of miles expected per gallon -- that is, what is its gas mileage?
A. 26 mpg
B. 27 mpg
C.
| 28 mpg |
D.
| 25 mpg |