A balloon with a small leak loses 0.5% of its volume each day. If it originally contained 40 liters of gas, what is the volume of the gas after one week?
1. 40(.95)^7
2.40 - 40(.005)^7
3.40(.05)^7
4. 40(.995)^7

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?

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed