Determine ? in decimal degrees, 0° ? ? ? 90°. Round results to an appropriate number of significant digits.cot ? = 1.8
A. 29.0°
B. 27.0°
C. 29°
D. 27°
Answer: C
Mathematics
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The figures are similar. Find the length of the side marked x.
A. 24.5 B. 40 C. 14.4 D. 22.5
Mathematics
Solve the equations by factoring.x2 - 49 = 48x
A. 1, -49 B. -1, 49 C. -7 D. -7, 7
Mathematics
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 7r-6
C. 7
D. 7r6
Mathematics
Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.|8 - ?4|
A. -89.409 B. -91.42 C. 91.421 D. 89.409
Mathematics