The age and hourly pay of five employeqes at a store are shown in the table. Hourly Pay
Age
16
18
18
10
10.25
12.50
14
20
22
15
A line of best fit for the data is y = 0.9x - 4.5, where x represents age, in years, and y represents hourly pay, in dollars.
Based on the data, what is the best prediction for the hourly pay of a 25 year old?
A $17.50
D. $22.50
E. $32.78
B. $18.00
C. $19.00

answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form