Answer:
Step-by-step explanation:
x² + 4x -21 = x² + 7x - 3x -3*7
= x*(x + 7) -3(x + 7)
=(x + 7)*(x-3)
120 x 0.20= 24. here you go
Answer:
i think the correct answer of these qusion is `B´
Answer:
y = x - 78
Step-by-step explanation:
y = x +-2 -76
y = x -78
Answer: - 3/8
Step-by-step explanation:
