What is the explicit formula for the following sequence: -4, -1, 2,

a) a(n) = -4 + (n - 1)(2)
b)a(n) = -4 + (n - 1)(3)
c) a(n) = 3 + (n - )
d)a(n) = 3(n - 1) + 5

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?