Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.{5 ? 3n}
A. Geometric; a = 15, r = 5
B. Geometric; a = 15, r = 3
C. neither arithmetic nor geometric
D. Arithmetic; a = 5, d = 3
Answer: B
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Add.-3 + 17 + (-9)
A. 5 B. 23 C. 11 D. 29
Provide an appropriate response.Select a decimal percent with two digits and write it as a fraction. Select a fraction with a two-digit denominator and write it as a percent. Explain each step of your work.
What will be an ideal response?
Find z1z2. Express the answer in standard form.z1 = 5(cos 150° + i sin 150°)z2 = 2(cos 90° + i sin 90°)
A. -5 - 5i
B. 5
- i
C. 10
- 10i
D. 5 - 20i
Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 49 ft
A. 52.9 ft B. 53.6 ft C. 53.8 ft D. 53.2 ft