Write each expression in standard form 1. (3a + 2b - 7) - (4b - 10)

2. 36m divided by 9m

7th Grade Math

The standard form are as follows:

1. 3a - 2b + 3

2. 4

The expression in standard form can be represented below:

1.

(3a + 2b - 7) - (4b - 10)

open the bracket

3a + 2b - 7 - 4b + 10

combine like terms

3a + 2b - 4b - 7 + 10

3a - 2b + 3

2.

36m divided by 9m

36m ÷ 9m

36m / 9m  = 4

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it happens during combustion and impacts the environment because the plants and trees take in that and it can cause them to die.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0