The sum of the first n terms of an arithmetic sequence a1, a2, a3, ..., an is 1/2n (a1+an), where a1 and an area the first and nth terms of the sequence, respectively. What is the sum of the odd integers from 1 to 99 inclusive?

Find the constant of inverse variation with the given information below width=10 and height = 7.5

What are some pros and cons of using credit scores for insurance pricing?

A jug contains 2.45 liters of cranberry juice. A bottle contains 2 wholes 13/25 liters of grape juice. which container holds less fruit juice? How much less?

Fx = 2/x+9 find the domain

6x2 + 9x - 27 Factor the quadratic completely

Which term best describes the shapes below that are the same shape but not the same size

Find the percent of the number. 25% of 340

This may be easy but here's a movie mathematics problem for the beginners. There is a population of 50 people watching a halloween movie named "hocus pocus" and another halloween movie named "halloween town" with a population of 70 then the last one

The length of a classroom is 31 feet. What is this measurement in yards and feet. The measurement is how nany yards and how many feet.

When the number is divided by 6 the remainder is five when the number is divided by 7 the remainder is 6 when the number is divided by 9 the remainder is 8 what is the number?