Answer:
1.) X * X = Area
2.) (6 * 4) - (X*X) = Area
3.) X + X + X + X = perimeter
Step-by-step explanation:

Therefore, Ronald achieved his goal of 53 kg after 9 months.
Answer:
1
Step-by-step explanation:
3* 45/9-14
=3*5-14
=1
Answer:
the answer that I found is A. 4
This answer uses NMF, which you can find out about on my profile:
Preliminary work:
Following the BIDMAS order of operations, we can calculate part of it already, and that's the 2•4, which equals 8.
Therefore, the equation now reads:
8+x = y
x = 5:
8+5 = 13
13 ≠ 16
13 ≠ y
x = 4:
8+4 = 12
12 = 12
12 = y
Therefore, the pair is (4, 12)