Consider the arithmetic series:

1 + 9 + 17 + 25 + ...

Write a formula for the sum of the first n terms in this series.

A) 4n^2 - 3n

B) 6n^2 - 7n

C) 8n^2 - 5n

D) 10n^2 - n

Find the value of y 2x+6=x-12

One piece of leftover plywood is 0.75 inches thick, 3 feet wide, and 7 feet long estimate the approximate surface area of two stacks of 11 pieces of leftover plywood. Round your answer to the nearest hundred

Which multipilcation expression is to - 6 + (-6) + (-6)

What is the MAD of the data set? {13, 6, 3, 7, 11}

What is the answer to 664 = 4x + 16

A charitable organization is planning a benefits concert to generate funds for their projects. Tickets for the event are $10 for lower level seating or $25 for the higher level seating. The concert hall can seat up to 5000 people.

State if the three numbers can be the measures of the sides of a triangle

Iley has bottles that hold 678 pennies each. About how many pennies does she have if she has 6 bottles filled with pennies?

N over 4 - 20 = - 1 how do i solve this

It takes 32 people to build 8 houses. How many people would it take to build 20 houses? (hint simplify your ratio first)