Answer:
Area of square=144 square inche
Perimeter of square=48 inche
Step-by-step explanation:
length =12
Area of square=length x length
Area of square=12 x 12
Area of square=144
Area of square=144 square inche
Perimeter of square=4 x length
Perimeter of square=4 x 12
Perimeter of square=48
Perimeter of square=48 inche
Answer:
Let David's age be x years
=> James' age = x+5 years
David + James = 89
=> x + x+5=89
=> 2x=84
=> x=84/2=42 years
David's age is 42 years
Answer: A
Step-by-step explanation:
Statement A is right because 2x is being added to 1 which makes it a sum statement.
Statement B is wrong because 1 is the coefficient in this expression, 2 is the coefficient of x.
Statement C is wrong because the only variable in the expression is x .
Statement D is wrong because 2x is not being multiplied by 1.
No it is not a perfect square
