Which equation can be used to solve for x in the following diagram?

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.