80 is 15% of what number

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

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?