A) a sample because your family is a group with limited elements
b) a population because of the sheer amount of grocery stores in Arizona.
The two angles when added together need to equal 180 degrees:
-4x +5 + -13x +39 = 180
Simplify:
-17x + 44 = 180
Subtract 44 from each side:
-17x = 136
Divide both sides by -17:
x = 136 / -17
x = -8
Answer:
-45j + -9k
Step-by-step explanation:
-9 times 5j = -45j
-9 times k = -9k
-45j + -9k
Answer:
Triangles OAB,BOC,COD,DOA are isocele and right , are thus equals and have the same hypothenus . The quadrilater ABCD is a diamond (having 4 sides equals) and its diagonals perpendicular is thus a square.
Step-by-step explanation: