Rewrite the expression by using grouping symbols. y • 4 + y • z a. y • (4 + y) • z b. y (4 + z) c. 4(y + z) d. z(y • 4)

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%