Answer:
Step-by-step explanation:
-k - ( -8k + 7)
negative sign is outside the parenthesis. so it should be multiplied with -8k and 7
-k - (-8k + 7) = -k - 8k * (-1) + 7*(-1)
= -1k + 8k - 7
Now -k and 8k are like terms. So, combine them.
= 7k - 7
Answer: 
Step-by-step explanation:
Answer:
$1080 annual
Step-by-step explanation:
200(# of thousands) x 5.4
1080
5(edge)•5(edge)=25
25(side) •6 total sides
150 cm
Answer:
HL
Step-by-step explanation:
We are dealing with triangle DAB and CBA.
Angles DAB and CBA are right angles making the triangles right triangles.
Side AB is congruent to side BA. That is a leg of each of the two triangles.
Side DB is congruent to side CA. Tat is a leg of each triangle.
The triangles are congruent by HL.
