17. 10% (.10) of Sal's take-home pay goes for car payments each month. His car payments are $84 a month, and his rent is $260 per month. How much is Sal's
take-home pay each month?

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b