Answer:
Step-by-step explanation:
13x+2y=1
+ 5x-2y=-19
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18x=18
x=1
5x1-2y=-19
5-2y=-19
-2y=-19-5
-2y=14
-y=7
y=-7
x=1
y=-7
Answer: a= b/ b+2
Step 1: factor out variable a.
a(b+2)= b
Step 2: divide both sides by b+2.
a(b+2)/ b+2 = b/b+2
D dhejebebheididhcbsbeheh
Answer:
5.2307 %
Step-by-step explanation:
(acutal mass- estimated mass) / ( estimated mass)
Answer:
Surface area of rectangle=94 inches square