Andre rode his bicycle to a park located 5 1/2 miles from his house. he returned along the same route. after riding 7 1/2 miles total, how many more miles does andre need to ride to reach his home?

What are the soultion(s) to the quadratic equation 40- x^2=0

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.