Select the correct answer. A sports academy decides to survey athletes at the academy about how closely they follow their recommended nutrition plan. Coaches at the academy are responsible for administering the surveys. Each coach will have a one-on-one discussion with each of their athletes in which they will ask the athlete the survey questions and write down their responses. What is a source of bias in this sampling method? A. Some athletes may be injured that day and unable to complete the survey. B. Some athletes may be sick that day and unable to complete the survey. C. It is less likely athletes will reveal to their coach that they do not follow their nutrition plan. D. Most athletes do not follow recommended nutrition plans.

It is less likely athletes will reveal to their coach that they do not follow their nutrition plan.

Step-by-step explanation:

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rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is