Pls help i really need it

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.