Find the greatest common factor of the numbers.10, 25, 30, 45
A. 5
B. 2
C. 10
D. 1
Answer: A
Mathematics
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The vector v has initial position P and terminal point Q. Write v in the form ai + bj; that is, find its position vector.P = (3, 5); Q = (-1, -5)
A. v = -4i - 10j B. v = -6i - 8j C. v = -8i - 6j D. v = -10i - 4j
Mathematics
Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.sin ? = 0.81107642
A. 54.2012343° B. 125.798766° C. 35.7987657° D. 234.201234°
Mathematics
Find the outer diameter (the length AB) of the parabolic reflector shown below.
?
?
; 
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Evaluate the sum.
A. 17
B. 
C. 
D. 
Mathematics