Use a system of linear equations to solve the exercise.Pierre has found that his new car gets 34 miles per gallon on the highway and 28 miles per gallon in the city. He recently drove 344 miles on 11 gallons of gasoline. How many miles did he drive on the highway? How many miles did he drive in the city?
A. 192 miles on the highway, 152 miles in the city
B. 180 miles on the highway, 164 miles in the city
C. 204 miles on the highway, 140 miles in the city
D. 168 miles on the highway, 176 miles in the city
Answer: C
Mathematics
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Plot the set of numbers on a number line.
A. 
B. 
C. 
D. 
Mathematics
Find the power dissipated at fCO in a high pass RC filter circuit when R = 4.7 Kê, C = 500 pF, and Vin = 30 V.
a. 58.3 mw b. 47.0 mw c. 95.6 mw d. 116.5 mw e. 191.5 mw
Mathematics
Solve.x2 = 0.49
A. ±0.7 B. 0.7 C. 24.5 D. ±8
Mathematics
Use an identity to find the value of the expression. Do not use a calculator.sec2 55° - tan2 55°
A. 1 B. 0.30 C. 0.55 D. 0
Mathematics