Which answer choice is NOT equivalent to 4(x + 3) a. 4x + 12

b. x + 3x + (4 + 3)

c. x + x + x + x +12

d. 2x + 2x + (4 x 3)

b.  x + 3x + (4 + 3)

Step-by-step explanation:

x + 3x + (4 + 3)

x + 3x + 7

4x + 7 ≠ 4(x + 3)

hope this helps

13.33%

say 50 oranges, then 100 apples

80 are red, 20 are yellow

total fruit = 150

20chances out of 150 for yellow

20/150 = 13.33%

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.