7a expression: 12 + (- 1) + (- 1) + 3
7b evaluate: 13 Solving:((12 + -1 = 11) + (-1 + 3 = 2) (11 + 2 = 13))
7c: At the end of the three days, the value of the stock was $13.
Answer:
5.7*10^-3
Step-by-step explanation:
A
coefficient = 10.50 or 15, both real numbers that qualify variables
variable = c and h
constant = 50
B
10.50h + 15c + 50
10.5 x 37 + 15 x 12 + 50
388.50 + 180 + 50 = 618.50
C
Coefficient would change from 10.50 to 11.25
<span>It is fixed until the next raise.
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The formula of a midpoint SR:

We have
S(4, 1) and M(7, -5)
Substitute:

<h3>Answer: R(10, -11)</h3>