Which property can you use to show that 3x +{2x+4} is equivalent to {3x + 2x} + 4

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition