In year 9 there are 60 girls.2 of the girls are going to be chosen at random to go on a trip. Work out the number of different pairs that can be chosen. IS IT:
-3600
-3540
-1800
-OR IS IT 1770

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?