In a class of students, the following data table summarizes how many students have a brother or sister. What is the probability that a student chosen randomly from the class has a sister

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Solutions for 2x+7 less than or equal to 3x-5

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.