Use the equation x^2-xy+y^2-1. a. find four points on the graph of the equation
b. Show that if (a, b) is on the graph, then (-a,-b) is also on the graph
c. Sketch the graph

Acircle has a circumference of 28.36 units what is the diameter of the circle

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?