Multiply.(a - 12)(a + 12)
A. a2 - 24a - 144
B. a2 - 24
C. a2 + 24a - 144
D. a2 - 144
Answer: D
Mathematics
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Solve.9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given points are on the graph of the equation.y = x3; (5, 15)
A. Yes B. No
Mathematics
Solve the equation for the specified variable.P = 
for r
A. r = 
B. r = 
C. r = 
D. r = P - tA
Mathematics
Solve. Round to the nearest hundredth, if necessary.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 17 volts are applied, the current is 4 amperes. What is the current when 21 volts are applied?
A. 89.25 amperes B. 42 amperes C. 4.25 amperes D. 4.94 amperes
Mathematics