Answer:
Wide and length are: 3x + 10 and 3x - 10
Step-by-step explanation:
9x²-100 = (3x + 10) (3x - 10)
3rd option is the answer.
50 hundredths
20 + 30= 50
2 5/8
1 3/4 as a decimal is 1.75 and 7/8 as a decimal is equal to .875 add those together and you get 2.625 which is equal to 2 5/8
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