Answer:



Step-by-step explanation:
Given

See attachment
Solving (a): 
To solve for
, we make use of:

The relationship between both angles is that they are complementary angles
Make
the subject

Substitute
for 


Solving (b): 
To solve for
, we make use of:
The relationship between both angles is that they are complementary angles

Solving (c): 
To solve for
, we make use of:

The relationship between both angles is that they are alternate exterior angles.
So:

Answer:
0.7
Step-by-step explanation:
The answer is <em>0.7</em><em> </em>
Sorry if I'm wrong :(
Answer:
Option 3
Step-by-step explanation:
Each value of x maps onto one value of y and vice versa.
Answer:
x=13
Step-by-step explanation:
2.6+10.4=13
Answer:
x=7
step-by-step explanation:

5(2x+10) =3×40
10x + 50 = 120
10x =120-50= 70
x = 70/10= 7