2. Paper cups used in some water dispensers are conically shaped. The cups have a diameter of
6 cm and a height of 8 cm. About how much
paper is needed to make one of these cups,
assuming there is negligible overlap?
A. 24 cm
B. 48 cm
C. 109 cm
D. 151 cm

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Find the distance between the point (-3,-4), and (see the picture below)

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters