School lunch costs $1.25 per day. If there are 21 school days this month, how much would it cost to eat at school all
month?. SHOW YOUR WORK., i need help asap

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Which table represents a linear function? i'll give brainliest to first answer ^'^

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )