Emma bought new sneakers from Foot Locker. The price is $90 and the sales tax is 8%. What is the sales tax in dollars?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no