Becky is working to earn a service badge. she earns 5 points for each hour that she tutors peers (x), and she earns 10 points for each saturday that she performs community service projects (y) she needs to earn 250 or more points to receive the service badge .which inequality models the situation?

abde or 1,2,4, 5 is the answer

step-by-step explanation:

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have