Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the statement as a proportion. ? 54 is to 42 as 90 is to 70 ?
A.
B.
C.
D.
E.
Mathematics
Simplify by factoring out the given factor.x-7 - 7x-5; x-7
A. x-7(1 + 7x4) B. x-7(x - 7x3) C. x-7(x - 7x2) D. x-7(1 - 7x2)
Mathematics
Find the volume and surface area of the figure. Use 3.14 as the approximate value of ?. Round your answer to the nearest tenth, if necessary.
A. V = 210 ft3; SA = 127 ft2 B. V = 420 ft3; SA = 254 ft2 C. V = 420 ft3; SA = 127 ft2 D. V = 210 ft3; SA = 254 ft2
Mathematics
Determine if the number is prime, composite, or neither.36
A. Neither B. Composite C. Prime
Mathematics