Triangle JKL has vertices at coordinates J(–2, 4), K(2, 4), and L(0, –2). What is the area of triangle JKL? A.
10 units2

B.
12 units2

C.
16 units2

D.
24 units2

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

What is the volume of a cone with a height of 6 cm in the radius of 2 cm