Which of the following equations represents the
table?
time (min), x
5
10
20
30
cost (5), v
cost ($), y
40
40
60 100 140
60
100
140
ro ou o
a. y = 8x + 40
b. y = 10x + 20
y = - 4x + 40
d. y = 4x + 20

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

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step-by-step explanation:

i believe the answer is the polygon, heptagon.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb