3) Eric had $30 when he started a job that paid him $9 an hour. Which equation below would represent the amount of money Eric has, y, and the amount of hours he has worked, x?
A. y = 30x + 9
B. y = 9x - 30
C. y = -9x + 30
D. y = 9x + 30

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

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?