At the end of the day a cashier counted 140 quarters and nickels in the register. the coins total 19 dollars. how many coins of each kind was there in the register?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

Express -5 2/5 as an improper fraction.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?