Answer:
B) Foot
Step-by-step explanation:
Here,
We know that cosD= b/h
=21/75
=7/25
40 days
w1*h1*d1=w2*h2*d
15*8*20=10*6*d
2400=60d
d=2400/60
d=40
no
no. substitute -1 for x and -2 for y.
the first one is -1 - 10
this equals -11 not 3
