Find the nth term
a1 = 4 d = 3 find a20
a20 = 61
Find the general term given a1 = -4 and r = 12
Simplify if possible
an = -4 * 12n-1
Kayla's family is moving so she is packing up her room. She puts 5 toys in the first box, 10 toys in the second box, 15 toys in the third box, and so on. If she continues this pattern, how many toys will she put in the twelfth box?
60 toys
Abhi wants to increase his rock collection. The first month he has 120 rocks total, the second month 125 rocks, and the third month 130 rocks. If he continues this pattern, how many rocks will he have after 12 months?
175 rocks
a1 = 3 r = 2 find a9
a9 = 768
Find the general term given a1 = 4 and d = 3
Simplify if possible
an = 3n + 1
Angelo spots three birds in the first hour of his zoo tour. If the number of birds he spots doubles every hour, how many will he spot during the tenth hour?
1536 birds
Erica started the school year off with 20 pencils. Each week she loses 3 pencils. At this rate, how many pencils will she have left after 5 weeks?
5 pencils
a12 = -112
Find the general term given a1 = 2 and r = 6
Simplify if possible
an = 2 * 6n-1
Danny has 500 dollars in her bank account the first month. If she spends 45 dollars every month after, how much money will she have after she spends for the 6th month?
$275.00
Sanvi is starting a garden in her back yard. She plants a tomato tree that already has 5 tomatoes. Each month, the tree will grow 2 more tomatoes. How many tomatoes will be on the tree after 8 months?
21 tomatoes
5, -10, 20, -40, ... find a9
a9 = 1280
Find the general term given a1 = 8 and d = -5
Simplify if possible
an = -5n + 13
An auditorium has 20 seats on the first row, 24 seats on the second row, 28 seats on the third row, and so on. How many seats are in the 20th row?
96 seats
Sarah starts saving money in a bank account with an initial deposit of $200. Each month, she adds $100 to the bank account. How much money will Sarah have after 14 months?
$1600.00