Your answer is D. You have to find where the lines are in the middle so your answer is D.
Ni : Zn: Cu = 7:2:9 =7x : 2x : 9x
7x+2x+9x = 3.8
18x=3.8
x=3.8/18=1.9/9≈0.21
Ni: 7x=7*0.21=1.47 ≈1.5 kg
Zn: 2x=2*0.21=0.42≈0.4 kg
Cu: 9x=9*0.21=1.89 ≈1.9 kg
Check 1.5+0.4+1.9 =3.8 True
He spent $52 on sandals. I got this by multiplying 65% by $80 and got $52.
In short answer $52
(x² + 10)(6x - 5)
6x³ - 5x² + 60x - 50 or the second option
Answer:
the answer would be 16%, but if its rounded to nearest whole percent it would be 20
Step-by-step explanation:
