Answer:
-7
Step-by-step explanation:

it is possible because x is just a letter representing the unknown nos
Whats the diameter?
1/8(3.14) = 0.3925
We know how we got 90, since a right angle is 90 degrees,
180 degrees are in a triangle.
180-90=90
Find the pair that equals 90 so you get 180 degrees!
If you have more questions don’t have hesitation to ask!
Or add all number to get 180 degrees!
Answer:
a is option c
b is 17.5
c is 9
Step-by-step explanation:
I do not know if all of these are right
Answer:
3.
Step-by-step explanation:
I think your question missed key information, allow me to add in and hope it will fit the orginal one. Please have a look at the attached photo
My answer;
We use oder of operation to solve this question
We have BEDMAS, which means:
In 4 answer, only answer is correct:
=
(3*25 +4)
=
(79 + 4)
=
*83
= 8*83
= 664