-10.3 + y = 5.2
First, regroup the terms. / Your problem should look like:
Second, add 10.3 to both sides. / Your problem should look like:
Third, add 5.2 + 10.3 to get 15.5 / Your problem should look like:

Answer:
y = 15.5 (D)
Answer:
19
Step-by-step explanation:
21 - 2 is 19
Answer:
y=-3x+9
Step-by-step explanation:
Just subtract -3x on both sides
Its a guess and check problem you have to just try to find a combonation of 8 and 10 to get 200
Answer:
The value of n is the size of the sample, the number of customers selected.
The value of p is 0.48.
The value of q is 0.52.
Step-by-step explanation:
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which
is the number of different combinations of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.
48% of consumers are comfortable having drones deliver their purchases.
This means that 
The value of n is the size of the sample, the number of customers selected.