Decide if these lines are parallel perpendicular or neither 2x+5y = 1 and 5x-2y = 1

neither

Explanation:

y=1/5+2/5x

y=-1/5-2/5x

For it to be perpendicular the slopes have to be opposite reciprocals and they are not. For it to be parallel the slopes have to be the same and they too are not.

24 units

step-by-step explanation:

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or