Evaluate. 8.76 + (–3.05)
a. –11.81
b. –5.71
c. 5.71
d. 11.81

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

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Answer asap! urgent! will give brainliest!