Answer:
15cm
Step-by-step explanation:
a^2+b^2=c^2
12^2+9^2=c^2
144+81=c^2
c^2=225
c=15
Answer:
The correct option should have been
.
Step-by-step explanation:
Given the expression

solving the expression

Remove parentheses: (a) = a

Group like terms

Add similar elements

It is clear that not a single given option is
. It means no option is correct. It seems you mistyped the correct options.
The correct option should have been
.
Answer:
j = 54
Step-by-step explanation:
j/2 - 12 = 15
j/2 = 15 +12
j/2 *2 = 27 * 2
j = 54
If you're kind enough, please mark this as the brainlist answer!
Answer:
136
Step-by-step explanation:
The formula you use is as follows:
A=2(WL+HL+HW)
You plug in each number to get this equation
A=2[(6*7)+(2*7)+(2*6)]
A=2(42+14+12)
A=2(68)
A=136