Answer:
the dryer costs $425
Step-by-step explanation:
x = washer
y = dryer
x + y = 803
x = y - 47
using the second equation a substitute in the first equation we get
y - 47 + y = 803
2y = 850
y = $425
FYI
x = y - 47 = 425 - 47 = $378
D the argument is not valid because the conclusion does not follow from the premises
Answer:
The answer is A)
Step-by-step explanation:
When the plane length increases, the force required gets reduced while the plane height stays the same.
<em>Hope this helps!</em>
