Convert the equation -9x^2+25y^2-100y-125=0 into standard form

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

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

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.