67+79+80+190= 416
Each number has been rounded
Answer:
Step-by-step explanation:
x^2 + 2 = 6x - 6
x^2 - 6x + 2 + 6 = 0
x^2 - 6x + 8 =0
(x - 4)(x - 2)
So x can = 2 or x can = 4
Answer:
x=13
Step-by-step explanation:
3x+78 +x+50=180
3x+x+78+50=180
4x+128=180
4x=180-128
4x=52
4x/4=52/4
x=13
using the principal of straight line angle
correct answer is "NONE" NOT $40. hOPE THIS HELPS!
Answer: 30 i believe
Step-by-step explanation: