At the city museum, child admission is $5.30 and adult admission is $9.70. On Sunday, 147 tickets were sold for a total sales of $1131.10. How many adult tickets were sold that day?
Number of adult tickets:

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

Which expression is equivalent to 5r6141 2r+st6

If square root x = -7, then x= -49 true or false