Answer:
42
Step-by-step explanation:
According to ACT WorkKeys Curriculum.
Answer:
See below (I hope this helps!)
Step-by-step explanation:
When dividing exponential terms of the same base, we can simply subtract the exponents, therefore:

Answer:
The ballet dancers practice 20 h or more per week. is right
The jazz dancers practice 20 h or more per week. is wrong
The type of dancing does not seem to affect the number of hours of practice for the dancers in the survey. is right
Step-by-step explanation:
i took the test so no step by step :)
After h hours A has 6000 - 2000h cells and B has 2000 - 1000h. Equating them as one form:
6000 - 2000h = 2000 - 1000h
-2000h + 1000h = 2000 - 6000
-1000h = -4000
h = -4000/-1000 = 4 hours
Recall the binomial theorem.

1. The binomial expansion of
is

Observe that


When we multiply these by
,
•
and
combine to make 
•
and
combine to make 
and the sum of these terms is

2. The binomial expansion is

We get the
term when
:
