When Tom plays darts, he hits the target 65% of the time. Find the probability that he
hits the target at least four out of next six
attempts.

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

The anwser cause i do not understand just plez