Given: Lines JK and LM intersect at point N. Justify (state the reason) that JNM 2 ZKNL. *

(5 Points)

M

N

K

The Linear Pair Postulate

The Vertical angles Theorem

Definition of Supplementary Angles

O Definition of Congruence

cannot be proven

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1