-3, -1, 1, 3, 5 would be five of them.
Answer:
10=z or z=10
Step-by-step explanation:
1) Add four to both sides
2) You should get 10=z
Answer:
$17.14
Step-by-step explanation:
Given : 
To Find : Using the quadratic regression equation, what was the predicted profit in year 8
Solution :

Where y is profit and x is year
Substitute x = 8


So, Option D is true
Hence the predicted profit in year 8 is $17.14
Answer:
D. $81,728
Step-by-step explanation:
Let's first convert pounds to ounces.
4 pounds x (16 ounces / pound) = <u>64 ounces.</u> (Remember that when we're converting from a larger unit, pounds, to a smaller one, ounces, we'll have more ounces than pounds, so this answer makes sense!)
Let's now get the cost of the gold.
64 oz x ($1277 / oz) = <u>$81,728.</u> (Wow, that's a lot of gold!)