A tour director collected $180 for 13 tour packages tour package a cost $18 total package P cost $10 in tour package C cost $12 and five of the tour packages

answer: a and b

step-by-step explanation:

answer: 298143

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

its a straight line parallel to the time axis