The first element in an arithmetic sequence is 2. Its twenty-fifth is 14. Find the value of n so that a(n)= 6.

Find and simplify the difference of the golden ratio and its multiplicative inverse

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 value of x in the this question ?