Write the explicit formula for the geometric sequence. 64, 32, 16, 8, a) an = 8 · 4n-1 b) an = 8 · 2n-1 c) an = 32 · 0.5n-1 d) an = 64 · 0.5n-1 which answer?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

If a sprinkler waters 1 over 12 of a lawn in 1 over 2 hour, how much time will it take to water the entire lawn? (5 points) 10 hours 6 hours 1 over 6 hour 7 over 12 hour