Solve the problem.You inherit $28,000 from a very wealthy grandparent, with the stipulation that for the first year, the money must be invested in two stocks paying 4% and 10% annual interest, respectively. How much should be invested at each rate if the total interest earned for the year is to be $1600?
A. $8000 invested at 4%; $20,000 invested at 10%
B. $18,000 invested at 4%; $10,000 invested at 10%
C. $10,000 invested at 4%; $18,000 invested at 10%
D. $20,000 invested at 4%; $8000 invested at 10%
Answer: D
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Perform the indicated operation.
A. x2 + 9 B. x - 48 C. x3 - 48 D. x + 9
Solve.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 3 in. by 4 in. B. 5 in. by 9 in. C. 5 in. by 10 in. D. 4 in. by 9 in.
Add and write the resulting polynomial in descending order of degree.(2n7 + 2n4 - 2) + (4n7 + 9n4 + 4)
A. 6n7 + 11n4 + 2 B. 19n11 C. 2n7 + 11n4 + 6 D. 11n7 + 6n4 + 2
For the pair of functions, find the indicated sum, difference, product, or quotient.h(x) = x - 1, g(x) = 
Find (h + g)(11).
A. 19 B. 13 C. 9 D. 14