sara travelled first 200 miles of her journey at an average speed of 50 miles per hour and the nest 200 miles a an average speed of 25 mile per hour. What is sara's average speed for the total trip

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?