Evaluate the determinant.
A. 11
B. -19
C. 61
D. 19
Answer: D
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Solve the problem.A restaurant offered salads with 8 type(s) of dressing and 6 different topping(s). How many different types of salad could be ordered?
A. 36 B. 48 C. 64 D. 14
Use dimensional analysis to convert the quantity to the indicated units. If necessary, round the answer to two decimal places.10 ft to in.
A. 30 in. B. 120 in. C. 360 in. D. 40 in.
Factor the polynomial.10y2 + 21y + 9
A. (2y - 3)(5y - 3) B. (2y + 3)(5y + 3) C. (10y + 3)(y + 3) D. prime
Solve the problem using matrices.Melody has $45,000 to invest and wishes to receive an annual income of $4290 from this money. She has chosen investments that pay 5%, 8%, and 12% simple interest. Melody wants to have the amount invested at 12% to be double the amount invested at 8%. How much should she invest at each rate?
What will be an ideal response?