If x² + 2= 3^2/3+3^-2/3 show that 3x(x²+3)=8. Please help me with this problem by solving it.​

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

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

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height