Bethany sells roses and petunias. The expression
3
r
+
2.5
p
3r+2.5p3, r, plus, 2, point, 5, p gives the cost (in dollars) of
r
rr roses and
p
pp petunias.
What is the cost of
7
77 roses and
8
88 petunias?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212