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100

7a + 2a

What is 9a

100

2a × 3a

6a2

100

4a - 2a

What is 2a

100

7a × 2a

14a2

100

b + b

2b

100

What is the word for the number in front of the x or y?

coefficient

200

3b + 6b

What is 9b

200

3b × 2b

6b2

200

12b-10b

what is 2b

200

10b × 8b

80b2

200

a + a + a + a

4a

200

h × h ×  h

h3

300

10b +20b

What is 30b

300

5b ×  3b 

15b2

300

25b-20b

What is 5b

300

10b ×  4b

40b2

300

n + n + n + n + n

5n

300

If you name has less that six letters, get 300 points. If it has six or more letters, lose 300 points

:-)

400

5b + 4b + 3b

What is 12b

400

2a × a

2a2

400

100b -90b

What  is 10b

400

5b ×  2b

10b2

400

k + k + k + k + k + k + k

7k

400

400 points for free!

COngratulations

500
10b + 20b + 30b

what is 60b

500

a × 12a

12a2

500

300b -200b

what is 100b

500

a × a

a2

500

m + m + m + m + m + m + 70m

76m

500

What is the coefficient of y in the expression: y-7

1