Determine if the lines are parallel, perpendicular or neither. 17) -2x + y = -4 and -19 - y = 1/2x

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?