Answer:
1/-5 should be the answer
Answer:
Four less a number
Step-by-step explanation:
x-4 is literally subtracting 4 and 4 less a number is basically also subtracting 4 from an equation.
Answer:
20 : 9
Step-by-step explanation:
Given the ratio
2 : 
Multiply both parts of the ratio by 10 to clear the fraction
= 20 : 9
The sum of all the angles of the triangle is 180°.
80 + 3x + x = 180°
80 + 4x = 180°
4x = 180 - 80
4x = 100
x = 100/ 4
x= 25