Write in terms of the cofunction of a complementary angle.tan (90° - 20°)
A. cos 70°
B. sin 20°
C. cot 70°
D. cot 20°
Answer: D
Mathematics
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Find the following using a calculator. Round to four decimal places.ln 4,300,000
A. 15.2741 B. 6.6335 C. 0.0653 D. 3.7612
Mathematics
Multiply. Simplify your answer.
× 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation algebraically. Verify your solution with a graphing utility.5(2x - 4) = 9(x + 4)
A. {-56} B. {56} C. {-16} D. {21}
Mathematics
Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 119 pennies for his bank and had 31 pennies left over. How many rolls of pennies did she use?
A. 4 rolls B. 5 rolls C. 3 rolls D. 6 rolls
Mathematics