Solve the system of linear equations by substitution.
x + 3y = 4
-x + 2y = 6

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

Which inequality is used when the situation involves a “maximum”?

Abacteria population doubles in size every 5 hours. after 5 hours, the sample contains 2,000 bacteria. which equation best models y, the population size after x hours? y = 1000(1.15)x