Answer:
a
Step-by-step explanation:
Answer:
B and D
Step-by-step explanation:
A
× 13 =
=
= 10
< 13
B
4 × 13 = 52 > 13
C
× 13 =
=
= 4
< 13
D
× 13 = 1 × 13 = 13
Band D are equal to or greater than 13
Answer:
7) Obtuse, I didn't use a protractor, so I'm estimating about 130 degrees.
8) Straight, all straight lines are equal to 180 degrees.
9) Acute, I estimated about 30-40 degrees, again, no protractor used.
Step-by-step explanation:
Answer:
z-score = 3.5, Yes, z-score is unusual.
Step-by-step explanation: