Answer:
a. x+8=21
b. x = 13
Step-by-step explanation:
Answer:
9x^2 - 49y^2
Step-by-step explanation:
If your question is 25 dollars for the shirt then the ansewer is $26.5 hope this helps.
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
b and c are the speeds of the boat in stool water, and current, respectively.
Going with the current, the boat travels b+c=16 km/h.
Going against the current, the boat travels b-c=6 km/h
add the equations together
b+c = 16
b-c = 6
—————
2b = 22
b = 11
c = 16-b = 5