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100
2 + 3c = –2(–2c + 6)
ANSWER: 14
100
2x + y = 11 7x = 14
ANSWER: x = 2 y = 7
100
Find the slope of this line: 4x − 3y = 9
ANSWER: 4/3
100
What is 58% of 300?
ANSWER: 174
100
On a standard traffic light, is the green on the top or bottom?
ANSWER: bottom
200
3(2r – 14) – 3r = 13(r – 4)
ANSWER: 1
200
6x + 4y = 6 3x = –15
ANSWER: x = –5 y = 9
200
Find the slope of this line: 8x + 3y = −9
ANSWER: -(8/3)
200
What is 86% of 950
ANSWER: 817
200
On the U.S. flag, is the top stripe red or white?
ANSWER: red
300
5(2x + 6) = −4(−5 − 2x) + 3x
ANSWER: 10
300
2x – y = 17 x – y = 10
ANSWER: x = 7 y = –3
300
Find the slope of the line through this pair of points: (19, −2), (−11, 10)
ANSWER: -(2/5)
300
What percent of 65 is 26?
ANSWER: 40%
300
Whose face is on a dime?
ANSWER: Franklin D. Roosevelt
400
11(b + 18) – 6(2b + 1) = 4(–b + 9)
ANSWER: –52
400
–x – 7y = 9 –x + 9y = –23
ANSWER: x = 5 y = –2
400
Find the slope of the line through this pair of points: (3, 0), (−11, −15)
ANSWER: 15/14
400
What percent of 502 is 251?
ANSWER: 50%
400
How many sides are there on a standard pencil?
ANSWER: 6
500
(2k + 5)/5 + 9 = –(k – 3)
ANSWER: k = –5
500
7x – 4y = –7 5x + y = 22
ANSWER: x = 3 y = 7
500
Write the equation of the line through the given point with the given slope. Point: (1, 2) Slope = 7
ANSWER: y = 7x - 5
500
Calculate the percent change: Original amount: 140 New amount: 35
ANSWER: 75% decrease
500
In which hand is the Statue of Liberty's torch?
ANSWER: right