Juan always saves the same amount from his weekly allowance. the table shows how much he has saved at different times.
which equation represents the situation?
juan’s savings
weeks
3, 6, 9, 12
amount saved 19, 28, 37, 46
a.
y – 3 = −3(x – 19)
b.
y – 28 = 3(x – 6)
c.
y + 9 = −3(x + 37)
d.
y + 46 = 3(x – 12)
i'm pretty sure it's b.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)