1. write an inequality for the range of the third side of a triangle if two sides measure 4 and 13.

2. if lm = 12 and nl = 7 of ∆lmn, write an inequality to describe the length of mn.

3. use the hinge theorem to compare the measures of ad and bd.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Nine more than four times a number is the same as one less than twice the number. find the number?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126