You cannot find the answer to 4x+120 without knowing x, otherwise it is simplified as far as it can be
Answer:
47.2 miles per hour
Step-by-step explanation:
472 miles/ 10 hours= 47.2
Olivia applied the scale factor to the measurements of the model she saw. We need to know those in order to calculate the new ones.
The answer is C. Multiplication
Answer:
B, D
Step-by-step explanation:
Solve all equations:
A.

This is false equality, so this equation has no solutions.
B.

This equality is true for all values of x, so this equation has infinitely many solutions.
C.

This equation has the unique solution.
D.

This equality is true for all values of x, so this equation has infinitely many solutions.
E.

This equation has the unique solution.