Multiply.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.When P dollars is invested at interest rate i, compounded annually, for t years, the investment grows to A dollars, where A = P(1 + i) t . Find the interest rate i if $2420 grows to $3550 in 2 years. Round your answer to the nearest hundredth of a percent.
A. 10.56 % B. 46.69 % C. 21.12 % D. 23.35 %
Mathematics
Provide an appropriate answer.Find 
when u = 0 and v = 
if z(x, y) = sin x + cos y, x = u ? v, and y = u + v.
A. 
= 0
B. 
= 2
C. 
= 1
D. 
= -1
Mathematics
Apply the Power Rule and simplify the expression. Write the result with positive exponents only.(y-9)0
A. 0
B. -1
C. 1
D. 
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.(-5a)3
A. -15a3 B. -15a C. -125a3 D. -125a
Mathematics