Im a little bit confused with square roots and negatives. For example, the square root of 9. Can the square root of 9 be either 3 and/or -3? and why? would help very much thank

Yes it can!!

Step-by-step explanation:

Obviously 3^2 is 9 because 3x3 lol

but since -3^2 is multiplying a negative times a negative, that makes a positive (9)

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)