Solve the problem.The sum of a student's three scores is 210. If the first is 19 points more than the second, and the sum of the first two is 21 more than twice the third, what was the first score?
A. 44
B. 64
C. 63
D. 83
Answer: D
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Solve.In the last election Mr. London received 0.79% of the vote. Write this percent as a decimal.
A. 0.079 B. 0.0079 C. 0.79 D. 7.9
Identify the polynomial as a monomial, binomial, or trinomial. Give the degree of the polynomial.-14x6 + 2x5 + 2x4
A. Trinomial, degree 6 B. Trinomial, degree 15 C. Binomial, degree 5 D. Binomial, degree 15
State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, same direction B. Parallel, opposite directions C. Perpendicular D. Neither
Solve the problem.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 140 milliamperes (mA) when the resistance is 4 ohms, find the current when the resistance is 28 ohms.
A. 980 mA B. 80 mA C. 20 mA D. 973 mA