Write the first five terms of the geometric sequence satisfying the given conditions.a = 128, r = - 
A. -128, 64, -32, 16, -8
B. 128, -64, 32, -16, 8
C. -64, 32, -16, 8, -4
D. 128, 64, 32, 16, 8
Answer: B
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The angle of depression from a hot air balloon to the spot for landing is 51°. The altimeter reads a height of 1,200 feet. What is the distance along the path of descent that the balloonist needs to travel to land exactly on the middle of the X? 
A. 1,544 ft B. 1,482 ft C. 972 ft D. 1,907 ft
Solve.Last year the base model of a new car cost $15,568. This year's model costs $17,262. How much more does this year's model cost?
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Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. The following regression equation is obtained: 
where x is number of hours studied and y is the test score. Predict the score on the test of a student who studies 12 hours. Round your answer to the nearest tenth.
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Given the grades of a student for one semester, find the grade point average. Assume that the grade point values are 4.0 for an A, 3.0 for a B, and so on. Round to the nearest tenth.
A. 9.8 B. 2.1 C. 4.1 D. 3.1