Answer:
How are we supposed to know .???
we can only see half of the problem
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
49 - 4 x 49 / 7 =
49 - 196 / 7 =
49 - 28 =
21
<em>Hope that helps!</em>
Answer: 0.31 is the decimal form of 31%
Step-by-step explanation:
ANSWER

EXPLANATION
Method 1
Vertically opposite angles are equal, therefore

This implies that,

We simplify to get,

Dividing through by 3 gives,

Also,

This implies that,

We simplify the right hand side to get,

We divide both sides both sides by 2 to get,



Method 2
Angles on straight line sums to 180°.

This implies that,




Also,






Standard form: x-y = -3
x & y have to be whole numbers
x has to be positive