The table shows the median home prices in florida. what is the equation of a trend line that models a relationship between time and home prices? use the equation to predict the median home price in 2020.

year
1940
1950
1960
1970
1980
1990
2000
median price($)
$20,200
$39,900
$50,400
$62,800
$89,100
$98,700
$119,000

a. y = 1646.67x + 20,200; $151,900

b. y = 49.4x + 20,200; $119,000

c. y = 49.4x + 20,200; $151,900

d. y = 1646.67x + 20,200; $119,000

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0