Find the magnitude of the vector.
?
What will be an ideal response?
Mathematics
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Solve the trigonometric equation symbolically, graphically, or numerically for 
cot2 ? + cot ? = 0
A. ? = 90°, 135°, 270°, 315° B. ? = 45°, 90°, 270°, 225° C. ? = 0°, 90°, 180°, 270° D. ? = 0°, 135°, 180°, 315°
Mathematics
Factor completely, or state that the polynomial is prime.18y2 + 42y + 20
A. 2(10y + 2)(y + 5) B. 2(3y + 1)(3y + 10) C. prime D. 2(3y + 2)(3y + 5)
Mathematics
Write the rate as a fraction in simplest form.There are 15 cars for 45 people.
A. 
B. 
C. 
D. 
Mathematics
What two numbers on a number line are a distance of 8 away from –1?
A. –8 , 8 B. 8 , –10 C. 6 , –8 D. 7 , –9 E. –7 , 9
Mathematics