How many ways can 4 student ma be chosen from a class of 30 students is ?

Math each whole number with a rational,exponential expression

Graph y = -|x| + 2. click on the graph until the correct one appears.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.