Answer:
22/27 = 0.814
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Step-by-step explanation:
Look at the photo below for the details.
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Answer:
3/18, or simplified, he has a 1/6 chance of grabbing an adventure book.
Step-by-step explanation:
6 + 5 + 4 + 3 = 18. There's 3 adventure books, which makes it so that he has a 3/18 chance of it being an adventure book. How did I simplify? 18 ÷ 3 = 6, 3 ÷ 3 = 1.
Answer:

Step-by-step explanation:
To solve the quadratic, use inverse operations to set it equal to 0.

To solve, use the quadratic formula and substitute a= -5, b= 7 and c= 9.

Martha has 103 and together Sandra and Martha have 170 coins.