An item costs $340 before tax, and the sales tax is $20.40.
find the sales tax rate.

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

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