Study the geometric sequence {-4, -84, -1764, -37044, ...}. What is the explicit formula for the sequence?
(21)(-4)(n-1)
O an = (-21)(4)(n-1)
O an = (-4) (21)(n-1)
O an = (4)(-21)(n-1)

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41