F. compare this least-square estimate equation to the previous least-squares estimate equation in problem 1. in which situation would the least-squares equation be least effective

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.