Which statement best describes a domain and range of p(x) =6^-x and q(x) = 6^x

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.