Which unit should be used to measure mass of pencil?

Which parent function is an example of a piecewise function? answers: linear parent function quadratic parent function an exponential parent function absolute value parent function pls i’m sorry if this doesn’t make sense

Can anyone me with 32,33,36,37,and 40.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers