Simplify the given expression.4ef + 4ef - 27ef
A. 
ef
B. 19e2f2
C. 19ef
D. 
e2f2
Answer: A
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Solve the problem.Find the measure of angle x in the triangle.
A. 125° B. 45° C. 85° D. 55°
Solve.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate 
of power when 
of current is flowing through the resistor whose resistance is 
find the power that a resistor needs to dissipate when 
of
current are flowing through a resistor whose resistance is 
A. 225 watts
B. 45 watts
C. 270 watts
D. 405 watts
Graph the function y = g(x), given the graph of y = f(x). g(x) = f(2x)
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest cent.Lou has an account with $10,000 which pays 7% interest compounded annually. If to that account, Lou deposits $5000 at the end of each year for 3 years, find out the amount in the account after the last deposit.
A. $16,074.50 B. $26,074.50 C. $28,174.50 D. $28,324.93