Guys i really need help, i will give brainliest to the right answers

(01.04 mc) an ice sculpture is melting because of heat. assuming its height changes bynegative 5 over 32m every hour, what will be the change in height after 4 hours?

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?