Aweed called the boomstar vine is known for growing at a very fast rate. it can grow up to 0.5 feet per day. a. how fast in inches per day can the boomstar vine grow up to? b. how fast in inches per hour can the boomstar vine grow up to?

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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

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