What is the sign of a * (-b/b) when a=0 and b<0Choice a: positive Choice b: negative

Choice c: zero

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Place the following steps in order to complete the square and solve the quadratic equation,

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5