Aresearcher wants to survey people from different age groups to analyze voting patterns. which type of survey will best accomplish this goal?

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?