The number of adults living in homes on a randomly selecyed city blocks is described by the following probabilitydistribution. Numer of adults, x = 1,2,3,4 or more.
probability, P(x) = 0.25,0.50,0,15,.
What is the probability that 4 or more adults reside at a randomly selected home?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5