Russell randomly surveys seventh-graders in his school and finds that 6 of 30 attend summer camp. if there are 200 seventh-graders in his school, about how many are expected to attend summer camp?

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)