Simplify: (5x+3y) - (2x-7y) + 8x

At a local market the cost of apples is directly proportional to the weight of the apples. Brian bought 10 pounds of apples for the cost of $15.00

Convert to metres (m) a) 800cm b) 1200cm c) 2500cm d) 13500cm e) 710cm f) 830cm g) 80cm h) 20cm i) 35cm j) 89cm k) 595cm I) 783cm m) 1531cm n) 1203 cm o) 5005cm p) 7070cm

Solve A over 5 is greater than 6 (not too sure how to show fractions on a computer, sorry)

kalvin's mother tells him that the chance of a coin showing heads when he tosses it is 1/2. does this mean that every time he tosses a coin twice, he will get one head and one tail.

Describe in your own words "closed operations.

The sector enclosed by  BCD in the circle below represents the section of a park used by the chamber of commerce for a fundraising event. What is the approximate area of the section of the park they want to use? A. 339 square feet B.

Triangles ΔABC ≅ ΔBAD so that C and D lie in the opposite semi-planes of segment AB. Prove that segment CD bisects segment AD.

Solve the equation 7 - (4^2-10) + n=10

Cheese cost 440 per pound find a cost per kilogram

Is 12 a rational or integer or whole