Determine if the given vectors are orthogonal, parallel, or neither.v = 4i + 3j, w = 8i + 6j
A. Orthogonal
B. Neither
C. Parallel
Answer: C
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Perform the operation using trigonometric form. Write the answer in the form a + bi(
- i)(i)
A. 1 + 
i
B. 
C. i
D. 
+ i
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round your answers to the nearest cent.$10,675 earning 9.0% for 4 months
A. $400.31; $11,075.31 B. $322.94; $10,997.94 C. $240.19; $10,915.19 D. $320.25; $10,995.25
Solve the problem.A bookstore has an annual demand for 28,000 copies of a best-selling book. It costs $0.50 to store one copy for one year, and it costs $65 to place an order. Find the optimum number of copies per order.
A. 3816 copies B. 3257 copies C. 2428 copies D. 2698 copies
Find the circumference of the circle. Use 3.14 for ?. Round to the nearest hundredth.
A. 150.72 ft B. 75.36 ft C. 7234.56 ft D. 301.44 ft