-15=-15
Since both sides equal, they are infinitely many solutions
D) infinitely many solutions
4+5 would be 9 because you add 4 and 5
11183333.3/10^7 = 1.11x10^-7.
Answer:

Step-by-step explanation:

Isolate d

.
Divide both sides of the equation by b

Simplify

Answer:
Step-by-step explanation:
chiều dài:x,x>0
chiều rộ:y






