Angela earns x dollars an hour. on friday, she worked 6 hours. on saturday, she worked 8 hours. which expression shows how much she earned both days ?
a. 6x + 8
b. 8x x 6x
c. (6 + 8)x
d.6 + 8 / x

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample