Answer:
Trend lines are lines used to approximate the general shape of a scatter plot. A positive trend line tells us the scatter plot has a positive correlation. A negative trend line tells us the scatter plot has a negative correlation.
Answer: 15 ft
Step-by-step explanation: shadow / height
8.4/6=1.4
21/1.4=15
Answer:
w = 3
Step-by-step explanation:
Δ BDE and Δ BAC are similar, then the ratios of corresponding sides are equal, that is
= 
, substitute values
= 
( cross- multiply )
5w = 3(w + 2) ← distribute
5w = 3w + 6 ( subtract 3w from both sides )
2w = 6 ( divide both sides by 2 )
w = 3
Answer:
It/p= r
Step-by-step explanation:
divide p and t out of the r and multiply by the recipricol
Answer:
a=-11
b=11
c=22
d=44
Step-by-step explanation:
