Answer: about 3 i think
Step-by-step explanation:
Answer:
a triangle with an angle of 90°
a triangle with an angle of 55°
a triangle with an angle of 35°
Step-by-step explanation:
Every triangles angles add up to 180°. Add the choices up:

Each of the answers is an angle measure of the triangle.
Answer:
Variance is the squared deviation and deviation is the difference of observed value from other values
Step-by-step explanation:
Variance is the squared deviation and deviation is the difference of observed value from other values


Where, 
Answer:
C
Step-by-step explanation:
D + q = 110......d = 110 - q
0.10d + 0.25q = 20.30
0.10(110 - q) + 0.25q = 20.30
11 - 0.10q + 0.25q = 20.30
-0.10q + 0.25q = 20.30 - 11
0.15q = 9.30
q = 9.30/0.15
q = 62 <==== there are 62 quarters
d = 110 - q
d = 110 - 62
d = 48 <==== there are 48 dimes