Evaluate the expression for the given replacement values. Write the answer in simplest form.2x + y for x = - 
, y = - 
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Find the exact value of the expression or state that it does not exist.cos 
A. - 
B. 
C. - 
D. 
Mathematics
Write the expression in the standard form a + bi.If z = 6 - 2i, evaluate z + 
.
A. 12 + 4i B. -4i C. 12 D. 12 - 4i
Mathematics
Find the price a purchaser should be willing to pay for the given bond. Assume that the coupon interest is paid twice a year.$30,000 bond with coupon rate 4.5% that matures in 5 years; current interest rate is 6.4%.
A. $21,893.96 B. $27,593.52 C. $28,268.52 D. $22,568.96
Mathematics
Solve.A man earned $2500 the first year he worked. If he received a raise of $500 at the end of each year, what was his salary during the 15th year?
A. $9500 B. $7000 C. $10,000 D. None of these
Mathematics