Calculate the expression sheet a-2. a=10

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.

Use the equation and type the ordered-pairs. y = 2 ^x