(10 points and brainliest)
brent and margaret decide to buy a toy replica of the sears
tower in the gift shop to take home to their neighbors. the toy
replica has a scale of 1 inch : 200 feet. is this replica larger or
smaller than the model in the lobby?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?