(2×-1)(3×+5)-(2×-1)(4×+1) solved it

Solved it give me the solution please

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Iwanna go do something with my ideas? ?

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)