Hiroto's texting plan cost $20 per month , plus $0.05 per text message that is sens or received. emilia's plan cost $10 per month and $0.25 per text . using the graph below, which statement is true

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score