Plz dont skip me help me

In which quadrant would point (12, 18) be located?

Quadrant IV

Quadrant II

Quadrant I

Quadrant III

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.