A building has 6 homes per floor and 3 floors. On the first floor, there are 4 penguins per home. On the second and third floors, there are 3 penguins per home. Which equation can we use to find, P, the total number of penguins living in the building?
(A) 3.6. (4+3) =P
(B) (4.6) +(3.6) + (3.6) = p
(C) (4.6) + (3.6) . 3 =p

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

An octagonal prism has jow many lateral faces?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables