The first four terms in an arithmetic sequence are -3, -10, -17, and -24. which expression can be used to find the nth term ? what is the 25th term of the sequence?
a) -7(n - 1); -168
b) -3 + (n - ); -171
c) -3 + (n + ); -185
d) 3 + (n - ); -165

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Is the square root of 4 plus the square root of 16 rational?