Determine the number of terms, n, given the geometric series -1 - 2 - 4 - 8 - . and Sn=−31

Christopher rides his bike to and from school every day. The total distance he rides each day is 7/8 mile. What is the total number of miles that Christopher rides his bike over the 5-day school week?​

Blair purchases the T-shirt from company B. She needs to add a 75% markup to her total cost to make a profit when she sells the shirts at the carnival. How should Blair determined the selling price of each T-shirts at the carnival? Drag a number into each box to make the statements true.

if a salesman is paid $140 commission on the sale of a $2800 sailboat what is his commission rate

The phone numbers on the University of Georgia campus have the form SSS-CVA-DAWG, where S can be the digits 1 to 9, C and D can be the digits 5 to 9, V and W can be any odd number from 1 to 9, A has to be the number zero, and G can be any digit. How many possible phone numbers?