Asweatshirt originally priced at $28.00 is on sale for $22.00. what is the percent of decrease, rounded to the nearest whole 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

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)