In a cross-country race with 35 participants , the mean finish time was 21 minutes . which statement must be true? a-the most common finish time was 21 minutes b-at least one participant finished in exactly 21 minutes. c-over half of the participants finished in less than 21 minutes. d-if no participants finished in less than 21 minute, than everyone finished in exactly 21 minutes

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720