Which expressions are polynomials? select each correct answer. y^2−y√3+4 2x^4−y 6 + w z + 1 which description is correct for the polynomial 2x² + 2? quadratic binomial quadratic trinomial cubic trinomial quartic binomial which description is correct for the polynomial 5x³? quadratic trinomial quadratic binomial cubic monomial cubic binomial

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.