Answer:
When x1 and x2 decrease 4 units, y decreases by 20 units
Step-by-step explanation:
The regression model is

We have to calculate y for a decrease of 4 units in x1 and x2. For this we have to calculate the variation of y in function of x1 and x2.
As it is a linear regression model, we have:

For a variation in 4 units of x1 and x2, we have

Answer:
1.23
Step-by-step explanation:
11.931 divided by 9.7 is 1.23.
525/15 = 35 they would need to sell 35 tickets for there concert to cover the cost of the gym. <span />
The function is f(x)=2x+10
Answer:
wag po kayo mag bibigay ng points na marami
Kasi ma iiscam po kayo