Rewrite 3 - (-4) as an addition problem.

+7

Step-by-step explanation: When you're adding and subtracting positives and negatives and you a minus a negative in a problem, you can change it to plus a positive.

So 3 - (-4) can be thought of as 3 + (+4).

If you wanted to solve, just add and you end up with +7.

3+4

Step-by-step explanation:

When we subtract a negative, we can change it to addition

3 - (-4)

3+4

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!