Quien quiere ser mi amigo por favor ? cuantos es 5+5

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

X+ y = 5 ; x - y =3 solve using linear combination

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?