Calculați a)-11+(-120)
b)18+(-17)
c)+13(+34)
d)-15+(-27)
e) +56+(+27)
f)-32+(-181)

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Which of the following is not a subset of {1,2,3}?