*on this asap would be greatly appreciated : )*
you own a hobby store and you have to purchase some model cars. the sports cars cost $4 more than the classic cars. you buy 15 classic cars and 12 sports
cars. you spend a total of $196.50. a) define a variable. b) create an equation to represent the situation. c) solve for your variable

  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  

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)