Jan bought a blazer for $39.90. the price of the blazer was $38. what sales-tax rate was she charged for this blazer?
0.05%
1.90%
5%

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%

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

Which graph represents the linear function below? y-3=1/2(x+2)