<span>-3(1+6r)=14-r
-3 - 18r = 14 - r ...expand by using distributive property
-3 -17r = 14 ...add (r) to both sides
-17r = 17 ...add (3) to both sides
r = -1 ....divide both sides by (-17)</span>
7.35 rounds to 7.5 since it’s closer to .50 than .00
Answer:
Perpendicular (right angle)
Step-by-step explanation:
hope this helps!
√(-4-12)^2+(1-1)^2= √(-16)^2+0= √16^2=16
Answer is the last option: 16 units
The first one would be:
a.Given
b.Subtraction Property of Equality
c.Multiplication Property of Equality
The second one I think would be:
a.Substitution.
b.Addition of like terms.
c.Division property of equality.