Look at the numbers below. -9.8 -5.4 1.0 14.8
Which shows the best way to add these numbers using the Commutative and Associative Properties?
A.) (-9.8 + 1.0) + (-5.4 + 14.8)
B.) (-9.8 + 14.8) + (-5.4 + 1.0)
C.) (1.0 + 14.8) + (-9.8 + (-5.4))
D.) (1.0 + (-9.8)) + (14.8 + (-5.4))

Please write explanation, thx!

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut