Which expressions represent rational numbers? Select all the apply.

StartRoot 100 EndRoot StartRoot 100 EndRoot
13.5 + StartRoot 81 EndRoot
StartRoot 9 EndRoot + StartRoot 729 EndRoot
StartRoot 64 EndRoot + StartRoot 353 EndRoot
One-third + StartRoot 216 EndRoot
Three-fifths + 2.5

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.