Question

SOMEONE PLEASE HELP ME IF YOU DO I'LL GIVE YOU A MEDAL AND FAN PLEASE HELP

Column A:
1) 1.5 acres of rainforest are destroyed every second for s seconds. Express the change in acreage of rainforest.

2) A tub of water is heated by 0.3 degrees per minute for m minutes. Express the change in temperature.

3) A submarine descends at a rate of 0.9 m/s for 90 s. Express the change in altitude relative to sea level.

4) A credit card account has 2 charges of $15 and no payments. Express the balance of the credit card.

Column B:

A. positive
B. negative

Answer 1

You have to match up if the answers from column A with the choices from Column B like if if the problem comes out to be negative or positive

Answer 2

Hello! We can tell if it's positive or negative by the words that are used to described the thing. For instance, 1 has destroyed as your key word and 2 has heated. Destroyed is a negative and Heated is a positive. Is it a little clearer now? Can you do the last two?

Answer 3

Okay so 3 is positive? And 4 is negative?

Answer 4

Close!! 4 is correct but 3 isn't. Try again! Hint: Your keyword in 3 is descends.

Answer 5

Ohh so 3 is negative?

Answer 6

Correct! Nice job!

Answer 7

Thank you so much for explaining it to me and helping me :)