I did not even read this because im too very lazy but it is prolly easy so can you help me please its due today Which of the following is true about this mathematical statement: 2x + 9 = 7 + x ?
A. It is an equation because it has an equal sign.
B. It is an equation because it has the variable x.
C. It is an expression because it has an equal sign.
D. This is an equation because it has a mathematical operation sign.

D

Step-by-step explanation:

this is an equation because it has a mathematical operation sign( equal )

answer: give more info

step-by-step explanation:

answer: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.

step-by-step explanation: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.