Simplify each of the following expressions by combining like terms. be careful to only combine terms that have the same variables and powers 2x2 + 8x – 1 + 5x2 – 2x – 8

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?