Answer:

Step-by-step explanation:
1) Collect like terms.

2) Simplify.

THE FIRST 5 MULTIPLES OF 1 ARE:1,2,3,4,AND 5
(a) The team captain wants to know what his teammates eats before a match
Team captain know by taking a survey of teammates
(b) The team captain wants to know who can score most goals against the best player
This can be known by observation of games. so its observational study
(c) The team captain wants to know how praising the affects the teammates performance.
This can be known by experiment
(d) The team captain wants to know what other sports teammates play
This can be known by observation of games. so its observational study
Answer:
$29.23
Step-by-step explanation:
Lou's car had a tank of capacity 13 gallons which were 5.1 gallons filled on the coldest day of the year.
So, the remaining unfilled capacity of the tank is (13- 5.1) =7.9 gallons.
Now, this volume of the tank is to be filled with gas that costs $3.70 per gallons.
Therefore, Lou has to spend (7.9 × 3.70) = $29.23 on gas. (Answer)