In an arithmetic sequence, the nth term an is given by the formula an=a1+(n−1)d, where a1is the first term and d is the common difference. similarly, in a geometric sequence, the nth term is given by an=a1•rn−1.
use these formulas to determine the indicated term in the given sequence.
the 19th term of 19,42,65,88

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?