She improved about 4.3 words per min each week
Answer:
19
Step-by-step explanation:
Answer:
Mean: 30 students
Standard deviation: 5.2 students
Step-by-step explanation:
Khan
Answer:
C
Step-by-step explanation:
The range is the values of y that extend from the vertex downwards
The vertex = (- 2, - 1) → y = - 1
range is (- ∞, - 1 ]
the ratio is 6 to 9, 9 out of (6+9) 15 bicycles will be black.
25 * 9/15 = 15
there will be 15 black bicycles
