Write in terms of the cofunction of a complementary angle.sin 
A. csc 
B. cos 
C. cos 
D. csc 
Answer: C
Mathematics
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Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Mardi received an inheritance of $70,000. She invested part at 4% and deposited the remainder in tax-free bonds at 3%. Her total annual income from the investments was $2500. Find the amount invested at 4%.
A. $67,500 B. $39,000 C. $20,000 D. $40,000
Mathematics
Write the expression in the standard form a + bi.-2i(-3 + 2i)
A. -4 + 6i B. 6i + 4i2 C. 4 + 6i D. 6i - 4i2
Mathematics
Determine whether the value of 
is a solution of the inequality.
?
A. Yes B. No
Mathematics