Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem. If necessary, use notation such as 0.
, 0.
, or 0.
, unless otherwise stated. Convert to a decimal: On the last quiz in Matthew's biology class, 15 out of the 16 students got a B.
A. 0.93
B. 0.9
C. 0.937
D. 0.9375
Mathematics
Find the indicated sum.
A. -18 B. -2 C. -20 D. -8
Mathematics
Solve.The distance light travels in one year called a light-year is 5.87 × 1012 miles. How many years would a satellite take to travel 2.2 light-years at a speed of 800,000 miles per day?
A. 7,337,500 yr B. 16,142,500 yr C. 20,103 yr D. 44,226 yr
Mathematics
Find a vector parallel to v of the given length.v = 
with P(-1, 1, 0) and Q(-1, 2, 1); length 5.
A. 
B. 
C. 
D. 
Mathematics