Select the letter of the best answer choice. use 3.14 or 22/7 for π
what is the circumference of a circle with a diameter of 21 ft? round your answer to the nearest foot.
a) 132 ft
b) 66 ft
c) 44 ft
d) 33 ft

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight

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