Answer:
2x^2 - 3x - 1
Step-by-step explanation:
The answer to the missing value is X = 3
Answer:
5 students
Step-by-step explanation:
2/3 of 30 = 20 students
1/4 of 20 = 5 students
<span>x + 3y = 9
-x + y = -1
X = 3
Y = 2
</span>
Set it up 180=(7x+10)+ z because angle b is on the flat line and then solve for x (180-10, then 170/7) and you’ll get the value of x and from there you can put it in all