TanB=CA/AB
=15/8
=option D.
HOPE IT HELPS YOU '_'
B.-1 because she started on the twelfth floor she walks down 2=10 and then back up 3=13 so she has walk down 1 flight to get back.
Answer:
-6x and 5x are like terms.
-9 is a constant.
-2y is a term
Divide both sides of the equation by - 3
-8x+9y= - 14
-9y+8x=14
simplify the expression
-8x+9y=-14
8x-9y=14
then solve the equation for y
y=-14/9+8/9x
substitute the given value in the ordered pair (x, y)
The unit rate, in miles per hour (mph) is:
21
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2 21 mi 5
===== = ---------- * -------- = 105/2 mph, or 52.5 mph
1 2 hr 1
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5
