Determine whether the complex number is a solution of the equation.6 + i;x2 - 12x + 37 = 0
A. Yes
B. No
Answer: A
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Solve the problem.If v = 4i - 4j + k, find a vector perpendicular to both v and i + k.
A. 3i + 2j - 3k B. -4i - 3j + 4k C. 2i + 3j - 2k D. i - j + 3k
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 30 ft B. 25 ft C. 20 ft D. 15 ft
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Ben is taking Cora out to dinner. He has $51.75 to spend. He wants to tip the server 15% of the cost of the meal. How much can he spend on the meal?
A. $43.99 B. $45.00 C. $7.76 D. $34.50
Solve the equation.(-x)3 = 27
A. 27 B. -243 C. 3 D. -3