Mackenzi got 30 questions correct out of a total of 35. To the nearest percent, what was the percentage she got correct?

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?

What is the graph of the absolute value equation ? y=|x|-5

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4