Find the whole.69 hotels is 115% of what number of hotels?
A. 132.25
B. 60
C. 13,225
D. 600
Answer: B
Mathematics
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Solve the equation.Solve 2 tan ? - 4 = 9 for ?, where ? is an acute angle. Approximate ? to the nearest tenth of a degree.
A. 81.3° B. 84.8° C. 42.8° D. 68.2°
Mathematics
Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is 
acid.
A. No solution B. 23 cm3 of 6%; 27 cm3 of 10% C. 50 cm3 of 6%; 50 cm3 of 10% D. 4.08 cm3 of 6%; 45.92 cm3 of 10%
Mathematics
Find the quotient and check.3.2 ÷ 8
A. 0.4 B. 14 C. 1.4 D. 4
Mathematics
Construct a 30–60 right triangle with hypotenuse c.
Mathematics