Solve the equation by factoring:
9b^2+21b+1=-9...
Answers: 1
Mathematics, 21.06.2019 14:30
Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?
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Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 22.06.2019 00:00
In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work
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