The right answer is first option: 7+21
Step-by-step explanation:
Given expression is;
7(1+3)
In mathematics, the term outside is multiplied by each term inside the bracket, therefore, in this expression;

The given expression 7(1+3) is equals to 7+21.
The right answer is first option: 7+21
Keywords: multiplication, addition
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Sorry I don’t know that one but I recommend using the app photomath it really helps
Answer:
232 in^2
Step-by-step explanation:
80 + 80 + 20 + 20 + 16 + 16 = 232
Check previous answer for better explanation!
Answer:
simple just follow me and mark it brainliest
Step-by-step explanation:
LET THE THREE CONSECUTIVE EVEN INTEGERS BE
(x+2) ,(x+4) ,(x+6)
then
according to the question
4(x+2) – (x+6) = 2(x+4) + 6
4x + 8 – x – 6= 2x + 8+6
3x +2 = 2x + 14
3x – 2x= 14 –2
x= 12
the numbers are
14
16
18