Which pair of expressions below are equivalent?
a) 7 (×2) and 9×
b) 3×+5× and 15×
c)4 (2×-6) and8×-24
d) ×+×+×+× and xwith power of 4

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia