Simplify.5(7 - 4y)
A. 12 - 9y
B. 35 - 4y
C. 35 - 20y
D. 55y
Answer: C
Mathematics
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Solve.0.80x - 0.30(x + 20) = 1.20(20)
A. x = 30 B. x = 60 C. x = 70 D. x = 50
Mathematics
Solve the problem.An airplane is flying in the direction 31° east of south at 873 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Mathematics
Evaluate: -7 + 14
A) 21 B) 7 C) –21 D) –7 E) 14
Mathematics
Perform the indicated operation and round as indicated.178.52 ÷ 8.9 hundredths
A. 20.06 B. 20.56 C. 2.01 D. 2.06
Mathematics