Atruck driver makes deliveries across the country. he records the number of miles he has traveled in relation to the number of hours he has driven in the table below.

what is the unit rate of change for the information in the table ?

time
(hours)
( 7) (9) (11) (13) (15)

distance
(miles)
(448) (576) (704) (832) (960)

a. 68 miles per hour

b. 72 miles per hour

c. 69 miles per hour

d. 64 miles per hour

a

step-by-step explanation:

given the 2 equations

- x + y = - 2 → (1)

2x - 3y = 4 → (2)

multiplying (1) by 2 and adding to (2) will eliminate the x- term

- 2x + 2y = - 4 → (3)

add (2) and (3) term by term

(2x - 2x) + (- 3y + 2y) = (4 - 4), simplifying gives

- y = 0 ⇒ y = 0

substitute y = 0 in either of the 2 equations for corresponding value of x

substituting in (2) gives

2x = 4 ( divide both sides by 2 )

x = 2

solution is (2, 0 ) → a

they share a side

step-by-step explanation:

this is the fundamental definition of adjacent angles

they:

1) share a vertex

2) share a side.

answer: i think 3

step-by-step explanation: