Convert as indicated. Express the answer in decimal form when needed.83 miles per hours to kilometers per hour (Round to the nearest thousandth.)
A. 150.147 km/hr
B. 46.111 km/hr
C. 51.585 km/hr
D. 133.871 km/hr
Answer: D
Mathematics
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Use the substitution formula to evaluate the integral.
A. 
B. - 
C. 
D. - 
Mathematics
Combine the complex numbers.(3 + 7i) - (-5 + i)
A. 8 + 6i B. 8 - 6i C. -8 - 6i D. -2 + 8i
Mathematics
Factor the polynomial.t3 + 125
A. (t - 125)(t2 - 1) B. (t + 5)(t2 + 25) C. (t + 5)(t2 - 5t + 25) D. (t - 5)(t2 + 5t + 25)
Mathematics
Solve. Round to the nearest tenth, when necessary.Jack and Jill are planning a new kitchen. The old kitchen measured 15 ft by 17 ft. The new kitchen is similar in shape, but the longest dimension is 25 ft. What is the smaller dimension of the new kitchen?
A. 6375 ft B. 28.3 ft C. 10.2 ft D. 22.1 ft
Mathematics