Tina missed this problem on her test. What was her mistake?

The multiplication is wrong in part A.
The multiplication is wrong in part B.
The place holder was left out in part B.
The decimal was moved too many places in part C.

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

Which best explains why this triangle is or is not a right triangle?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882