The difference between two numbers is 25. the smaller number is 1/6 of the larger number what is the value of the smaller number

Plz i want answer and i would appreciate it is is a b c or d

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

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4