Answer: The length of EF=15 cm.
Step-by-step explanation:
Answer:
D. 125cm
Step-by-step explanation:
Round each number for an estimate so you get 5 x 5 x 5 = 125
Answer: sorry if it backwards
Step-by-step explanation:
- polygon with all sides congruent and all angles 90 degrees -----> square
- figure whose circumference is the product of the diameter and pi ------> circle
- polygon with eight sides and eight angles circle -------> octagon
- polygon with three interior angles whose sum is 180 degrees --> triangle
Solution
-6x - 3y = 9 Add 6x to both sides
-6x + 6x - 3y = 9 + 6x
-3y = 9 + 6x Or more conventionally
-3y = 6x + 9 Divide by - 3
y = 6x/-3 + 9/-3
y = - 2x - 3
