Help me plz:

8. Multiply the following:

c. (3s^4)(-6s^5)

What is the rotational symmetry of a wheel

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality