Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 121.3°
B. 31.3°
C. 77.7°
D. 58.7°
Answer: D
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Find the indicated probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1122?A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round approximations to three decimal places.
A. 0.053 B. 276 C. 0.246 D. 0.193
Find the opposite of the polynomial.4x9 - 7x8
A. -7x9 + 4x8 B. 4x9 + 7x8 C. -4x9 + 7x8 D. -4x9 - 7x8
Solve.The graph shows the melting points in degrees Celsius of three compounds: Compound A, Compound B and Compound C. 
The melting point of Compound D is 2 times the melting point of Compound A. Find the melting point of Compound D.
A. 74°C B. -74°C C. 64°C D. -64°C
Solve for the variable.
= 7
A. q = 46 B. q = 52 C. q = 49 D. q = 100