Answer:

Step-by-step explanation:
X = - 1/2
In other way is x = -0.2 , x = -5^-1
Answer:
x=4-3y
Step-by-step explanation:
Answer:
A. 10 cm
Step-by-step explanation:
In a right angled triangle, a² + b² = c² where c is the diagonal or hypotenuse. If you split a rectangle diagonally into two right angle triangles, the a and b of both triangles would be the same length. Therefore, the c or diagonals would also be the same length - 10 cm.
Hope this helps!