Step-by-step explanation:
1/2 × (p+9) is the algebraic expression.
Answer:
x=−7
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
if the clubhouse is 4 sided then the length would be 25 ft
Step-by-step explanation:
15x2=30
80-30=50
50/2=25
I think its A please dont get mad if its wrong
ANSWER

and
e have
EXPLANATION


Let us make y the subject and call it equation (2)


We put equation (2) in to equation (1)



Simplify to get,


Divide both sides by 31,



We put this value in to equation (2) to get,


We collect LCM to obtain,

