Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.270 + 911 + 822 + 822 = 2825
A. Incorrect. Estimate: 2700
B. Incorrect. Estimate: 2900
C. Incorrect. Estimate: 3000
D. Correct. Estimate: 2800
Answer: D
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Determine the slope and y-intercept of the function.f(x) = 9x - 2
A. m = 9; b = -2 B. m = -9; b = -2 C. m = -9; b = 2 D. m = 9; b = 2
Write out the first five terms of the sequence.
A. 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
D. 
, 
, 
, 
, 
Write an expression for the apparent nth term of the sequence. (Assume that n begins with 1.) 2, 7, 12, 17, 22
A. 
B. 
C. 
D. 
E. 
Solve.For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate 
watt of power when the voltage across the resistor is 11 volts. Find the power that the resistor must dissipate when the voltage across it is 22 volts.
A. 
watts
B. 
watt
C. 
watt
D. 
watt