9) The perimeter of a lot is 720 feet. The length is twice the width. Which system of equations can
be used to find the length and the width of the
rectangle?
A. l = 2w
21 + 2w = 720
C. l = 2w
1+ w = 720
B. w = 21
21 + 2w = 720
D. 1 = 2w
2lw = 720

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1