Add or subtract as indicated. You will need to simplify terms to identify like radicals.-3
+ 7
A. -33
B. 33
C. 9
D. -9
Answer: C
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?Given the same height and radius of a right circular cylinder, a right circular cone, and a sphere are all "r",i. how many times larger is the volume of the right circular cylinder than the volume of the right circular cone, and ii. how many times larger is the volume of the sphere than the volume of the right circular cylinder?
A. ?i. 3 times, ii. 4/3 times B. ?i. 1/3 times, ii. 4/3 times C. ?i. 3 times, ii. 4/3 times D. ?i. 1/3 times, ii. 3/4 times E. ?i. 1/3 times, ii. 1/5 times
Write the indicated term of the binomial expansion.(x + 2y)12; 4th term
A. 1760x9y3 B. 1760x3y9 C. 880x9y4 D. 880x3y9
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. Use the ordered pairs (3, 1158) and (9, 1314) to find the equation of a line that approximates the data. (If necessary, round the slope to the nearest hundredth and the y-intercept to the nearest whole number.) 
A. y = 52x + 1002 B. y = 26x - 1236 C. y = 26x + 1002 D. y = 26x + 1080
Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Acute B. Obtuse C. Straight D. Right