The coefficient of x^ky^n-k in the expansion of (x+y) ^n equals (n-k/k). True or false.

five times as many girls as boys went to the dance. The total of 120 students went to the dance. How many boys and girls went to the dance?

G (x) = 4x2 - 3x + 7 Find g (3)

A die is rolled twice. the value of both rolls are added together. what is the probability of the sum being greater than 7

Marsha is buying plants and soil for her garden. the soil costs 4$ per bag, and the plant cost 10$ each. she wants to buy at least 5 plants and can spend no more than 100$ write a system of linear inequalities to model this situation

What is the unit rate for 2,500 kilobytes in 5 minutes

andrew has some candy to give to his four children. he first took ten pieces for himself then evenly divided the rest among his children. each child receives six pieces. how many pieces did he start with. write an equation

Round 430 to nearest thousand

3) Solve the following problem using a proportion and write your solution in a complete sentence. Sam bought 12 cookies for $3. How much would it cost him to buy 25 cookies?

Each sail on the windmill is 5 meters in length How much area do the sails cover as they turn from the force of the wind

Which term best describes the angle below