Solve using a system of two equations in two unknowns.A retired couple has $150,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 6%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $15,000 per year?
A. $100,000 at 6% and $50,000 at 12%
B. $100,000 at 12% and $50,000 at 6%
C. $110,000 at 12% and $40,000 at 6%
D. $90,000 at 6% and $60,000 at 12%
Answer: B
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Rewrite the expression with positive exponents and simplify.
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Solve.There are 97 puppies in a room, with an assortment of black and white ears and paws. 21 have totally black ears and 3 white paws, 27 puppies have 1 black ear and 2 white paws, and 49 have no black ears and 1 white paw. How many black paws are in the room?
A. 222 B. 221 C. 169 D. 166
Determine if the expression is a polynomial. If so, state the number of terms in the polynomial and give its degree.6x9 + 3x2
A. Yes; 2; 9 B. No C. Yes; 2; 2 D. Yes; 6; 9
Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 3
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