What is the value of the function at
х = — 2?

a. y= -2
b. y= 0
c. y= 2
d. y= 3

Can someone answer these problems for me

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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.