Answer:
a=6,-10
Step-by-step explanation:

A constant in an algebraic expression is defined as a term that does not change during the expression, so, in other words, a term that does not have a variable in it. so the constants are
12
-3.7
1/3
6 feet:10 hours
multiply by 1.5 on both sides
9 feet:15 hours
answer: 9 ft
<span>Average profit from the sale of 1 piece of furniture = 3x + 1
Average number of pieces of furniture that can be made using current supply of raw materials = 3x - 1.
Therefore,
Average profit of total furniture = Average profit X Average total of furniture sold
= (3x + 1) X (3x - 1)
= 9x^2 - 1</span>
4 miles in 4 hrs.....4/4 =1...thats 1 mile per hr
for 2 hrs.....at 1 mile per hr = 2 miles <==