Using the numbers1,3,4,8 and the operation +, -, x, ( ) to get an answer of 18. what is possible solution?

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

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

This is different from the first one can someone me