Which ratios form a proportion? A.) 4/9 and 9/4
B.) 4/11 and 6/13
C.) 4/10 and 10/25
D.) 3/5 and 9/25

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

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.

Write the percent as a fraction or mixed number in simplest form. 0.8%