Three bus companies determine the cost they charge according to the following specifications. 2.
Bluebus : R5,00 per km
Greybus : Initial amount of R100 and then R3 per km
Greenbus : First 50 km at R3 per km and then R5 per km for every km more than 50
2.1 write the equations (formulas) to calculate the cost for each bus company with regard to the km traveled
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I'll give brainliest if you answer right : )

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.

Five friends found a dollar on the ground and decided they each should get 1/5 of it. what amount of money will each friend get? $0.05 $0.20 $0.30 $0.80