What is the value of 8 to the 4th power

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

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

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab