Solve.How can $70,000 be invested, part at 4% annual simple interest and the remainder at 10% annual simple interest, so that the interest earned by the two accounts is equal at the end of the year?
A. $20,000 invested at 4%; $50,000 invested at 10%
B. $40,000 invested at 4%; $30,000 invested at 10%
C. $50,000 invested at 4%; $20,000 invested at 10%
D. $30,000 invested at 4%; $40,000 invested at 10%
Answer: C
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Evaluate the expression.
A. 7
B. 
C. 1
D. 7!
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (7, 0), and (0, 7)
A. 343 B. 0 C. 98 D. 49
Solve the problem.Let f(x) compute the cost of a rental car after x days of use 
per day. What does 
compute?
A. The cost of rental for 42 days B. The number of days rented for 42 dollars C. The cost of rental for x days D. The number of days rented for x dollars
Find the slope of the line containing the two points.(5, 0) and (0, 3)
A. - 
B. 
C. 
D. - 