Answer:
41
Step-by-step explanation:
first you do 21×2 and that's literally it
When two lines intersect to form a 90 degree angle, these lines are called perpendicular lines.
Answer:d
Step-by-step explanation:
I would assume it would be dividing both sides by three although if someone were to actually solve this I would say multiply 2 and 3 together first.
Hope this helps :)
Find a common denominator
the common denominator of 7 and 3 is 21
2/21 - 3/21
change the numerator
14/21 - 9/21 =5/21