Which algebraic property is used to rewrite (3 + m) + y as 3 + (m + y)? A. Distributive property
B. Commutative property
C. Associative property of multiplication
D. Associative property of addition

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

Ithink i know it but i want to be sure so can you me out ?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same