Answer: 60
Step-by-step explanation: multiply four by 15 in this case take four 15's and add them all up
The researcher exercise direct control over at least one variable.
Answer:
C
Step-by-step explanation:
Using the tangent ratio in the right triangle
tanC =
=
=
, then
C =
(
)
Answer:
y+4=-2(x+1)
Step-by-step explanation:
y-y1=m(x-x1)
y-(-4)=-2(x-(-1))
y+4=-2(x+1)