In the article "attitudes about marijuana and political views" (psychological reports, 1973), researchers reported on the use of cannabis by liberals and conservatives during the 1970s. to test the claim (at 1% significance) that the proportion of voters who smoked cannabis frequently was lower among conservatives, the hypotheses were suppose that we conduct a hypothesis test in which a type ii error is very serious. but the type i error is not very serious. which level of significance is the best choice?

If tana tanb=k, show that(1+k)cos(a+b)=(1-k)cos(a-b)

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.