 Organizo en un cuadro las siguientes expresiones según la clasificación anterior: • 3a2b5 + 7y2 - abc6 • 6x2 + 98y3 • 3n5y3 +23n5y8z3 – π2 • 3a2b5 + 7y2 - abc6 + 6x2 + 98y3 • 9a3b4 • 17xy+5k2 • 3n - 22ª2 +26n4 • 3n5y3 +23n5y8z3 – π2 3n - 22ª2 + 26n4 • xy + 18n3 - 2x2 • 19n291 • xy + 18n3 - 2x2 - 9a3b4 - 19n291 +17xy+5k2

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?