Answer:
21square feet
Step-by-step explanation:
Count the whole squares first.
if each square is one square foot then 18 whole squares will be 18×1= 18 square feet
add halves (aproximate halves) together. (3 in total)
Therefore A= 18 +3
= 21 square feet
Answer:
6) y = -x - 5
7) y = 
x + 3
Step-by-step explanation:
format y = mx + b
A, C, and D, are the correct ones I believe.
Fewer meters, centimeters are too small of a unit to measure a doorway
Answer:
Step-by-step explanation:
|-3| means the absolute value of -3. The absolute value sign means the number without its negative. The dictionary says: the magnitude of a real number without regard to its sign.
So |-3|= 3 and -3= -3
