Answer:
11
Step-by-step explanation:
198 ÷ 18 = 11
x = 11
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Answer:
29/28.
Step-by-step explanation:
Starting with:

Begin by finding a common denominator. A number that contains all of the denominators as a factor would be 28. Change each fraction to contain a denominator of 28:

Add the fractions:

Therefore, the fractions sum up to 29/28.
Answer:
0
Step-by-step explanation:
-y₁ + y₂\-x₁ + x₂ = m

I am joyous to assist you anytime.
Answer:70%
Step-by-step explanation: no. of cards last year=60
no. of cards presently=200
increase in no. of cards=200-60
=140
%change=140/200 x 100
Answer:
23.3%
Step-by-step explanation:
this is the estimated life expectancy of a male person to live to one hundred