Answer:
Perimeter = 42 units Area = 57.73 square units
Step-by-step explanation:
Perimeter of an Astroid = 6l ---> 6 x 7 = 42 units
Area of an Astroid = (3 x pi x a^2)/8 = 57.73 square units
Answer:
the first one is x=3
Step-by-step explanation:
Answer:

Step-by-step explanation:
Mod of any number represents the absolute value of the number.
Therefore,
= 2.25




Now we can arrange these numbers in ascending order.
-2.25 < -1.25 < 0.75 < 1.25 < 1.75 < 2.25
Therefore, 
Your answer will be letter b
-18- -27 = -45 -45- -15 = -30