Write an expression to state the problem and simplify.An investor buys 80 shares of stock for d dollars per share. The next day two other investors each buy the same number of shares, but the price has risen by $3 per share. How much have the three investors spent?
A. 80d + 2 ? 80(d + 3); 240d + 480 dollars
B. 80d + 2 ? 80d + 6; 240d + 6 dollars
C. 80d + 80(d + 3); 160d + 240 dollars
D. Cannot be solved
Answer: A
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One model for the growth rate G, in thousands per year, of a certain species depends on the population N, in thousands. The relationship is
?
What population corresponds to the maximum growth rate, and what is that growth rate? Round your answers to two decimal places.
?
A. The maximum growth rate of 1.75 thousand per year corresponds to a population of 2.50 thousand. B. The maximum growth rate of 2.50 thousand per year corresponds to a population of 1.75 thousand. C. The maximum growth rate of 4.40 thousand per year corresponds to a population of 4.24 thousand. D. The maximum growth rate of 4.24 thousand per year corresponds to a population of 4.40 thousand.
Provide an appropriate response.Points represent:
A. an additional cost of financing B. monthly payments C. 2 percent of the amount borrowed D. a 3 percent up front payment
Solve. Write the answer as a mixed number in simplest form.A rectangular flower bed in front of a building measures 1
feet by 9
feet. What is the total area of the flower bed? Hint: The area of a rectangle is the product of the length times the width.
A. 14 sq ft
B. 9
sq ft
C. 16 sq ft
D. 17 sq ft
Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 
D. 