Marco is interviewing classmates for a science project. he needs to have interviewed a total of 30 classmates this week to make sure his findings are accurate. every interview takes marco 7.2 minutes to complete. on wednesday, marco estimated that he has completed about 45% of his interviews.
part a:
about how many classmates was marco able to interview in the beginning of the week?
part b:
using the information you calculated in part a, how many more minutes does marco have left to spend on his project this week?

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step-by-step explanation:

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b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b

b because it contains 40% of the possible results from the random list.  

0,1,2,3 v 4,5,6,7,8,9  

4 integers to 6 integers  

40% success vs 60% fail

step-by-step explanation:

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation: