Step-by-step explanation:
Nadia's is 41 years old.
Answer: 23 Dollars
Explanation: First you take 15% and turn it into a decimal, 0.15. Then you times 20 and 0.15 and you get the product of 3. Now you do 3+20 and get your answer of 23.
Please mark as brainliest if i was the most helpful!
Answer:
invalid conclusion
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
A + B is calculated by adding the same positions in both matrices.
and position (2, 3) in A+B is therefore the sum of position (2, 3) in A plus the position (2, 3) in B, which is then
-4 + 7 = 3
