= 1/2 (a + b) h let me know if this helps :)
Put the value of x = -1 to the equation of a function f(x):

37 cards. 9 cards of every suit + 1 more card to guarantee the 10 cards by pigeonhole principle.
Answer:
Multiply the first fraction by 
Multiply the second fraction by 
Step-by-step explanation:
Given

Required
Make the denominator equal

Factorize the denominator


Multiply the first fraction by 
Multiply the second fraction by 



<em>The expression now have the same denominator</em>
1 1/2 + 1 1/2 & 1 3/4 + 1 1/4