Bodhi has a collection of 175 dimes and nickels. The collection is worth $13.30. Which equation can be used to find n, the number of nickels in the collection? a. 0.1n + 0.05(n – 175) = 13.30
b. 0.1n + 0.05(175 – n) = 13.30
c. 0.1(n – 175) + 0.05 = 13.30
d. 0.1(175 – n) + 0.05n = 13.30

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field