What is the place value of 1 in 153,732,991

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

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?

Which expression is rational? 6. , square root two, square root 14, square root 49