Which of the following expressions are equivalent to 2/x^8-y^8? choose all that applya.2/(x^4-y^4)*1/(x^4+y^4)b.2/( x^4)^2-(y^4)^2c.2/(x4-y^4)*1/(x^4-y ^4)d.1/(x^4-y^4)*1/(x^4+y^4)

If square root x = -7, then x= -49 true or false

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up