The manufacturer spent $220,000 in the design process and plans to spend $750,000 in advertising. based on the profit(7.52), how many pairs would have to be sold in order to cover costs?

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 sin 7x/4 ? i need on this urgent trig

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.