Answer:
9r+13
Step-by-step explanation:
To solve this question, all we need to do is simplify the equation.
The equation is 8r+7+4+r. To simplify, we need to add like terms.
8r+r+7+4=9r+13
9r+13 is the equivalent equation to 8r+7+4+r.
Hope this helps!
Answer:
Please see attached picture for full solution.
6.45kg convert it to grams is equivalent to 6450 grams. multiple the mass value by 1000
Zero Property of Multiplication hope this helps