Aspecies’ population dropped from 2000 in the year 2000 to 1200in the year 2011. find the percent decrease in its population

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

It says factor each expression completely 8y+48

What dimensions can créate more than one triangle ?