What is a algebraic expression for the greatest possible value of 3y is 30? ?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

How are algebraic expressions evaluated using substitution?