Today kelly biked 6 times as far as she ran yesterday .she biked 30 miles how far did kelly run

What values of c and d make the equation true?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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