Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = i - j, v = 3i + 4j
A. -8.1°
B. 8.1°
C. 101.5°
D. 98.1°
Answer: D
Mathematics
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Provide an appropriate response.Perform the multiplication: 3x(6x7 - 2x5)
A. 18x8 - 6x6 B. 18x7 - 6x5 C. 12x3 D. 18x2 - 2x5
Mathematics
Determine which ordered pair is a solution of the system.
A) (–6, 5)
B) (5, 6)
C) (2, –1)
D) (–2, –1)
E) (–1, –2)
Mathematics
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.Who got the most votes?
A. Matt B. Jim C. Ann D. Ben
Mathematics
Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Ellipse B. Hyperbola C. Parabola
Mathematics