Find the indicated matrix.Let A =  and B = . Find A - B.

A.
B.
C.
D.


Answer: B

Mathematics

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Solve.A cruise boat travels at its top speed 48 miles downstream in 4 hours and returns to its starting point upstream, also at its top speed, in 6 hours. Find the speed of the stream.

A. 22 mph B. 12 mph C. 10 mph D. 2 mph

Mathematics

Find the surface area of the figure. Use 3.14 for ?. Round your answer to hundredths.

A. 2,632 sq. ft B. 5,520 sq. ft C. 1,316 sq. ft D. 1,712 sq. ft

Mathematics

Convert as indicated.235 g to kilograms

A. 23,500 kilograms B. 0.0235 kilograms C. 235,000 kilograms D. 0.235 kilograms

Mathematics

Provide an appropriate response.The equation  +  = 2 has exactly how many roots?

A. none B. one C. two D. three E. four

Mathematics