There are approximately 1.35 billion people in China. If the world population is 7.1 billion people, what percent of the world population is in China?​

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square