Combina
(2x + 2y = -2
(3x – 2y = 12

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?