Sam spent the day at the mall. First, he bought three mules for $30 each. Later, he returned one mule. After that, he bought one
jackhammer for $50. Write the total change to Sam's funds as an
integer.

180

Step-by-step explanation:

30x3=90-30+50

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!

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas