12 points Jakayla sells cakes for special occasions. She charges her customers a
one-time design fee plus a rate for each serving the cake yields. The
table shows the cost of a cake from Sheila based on the number of
servings. Based on the table, what rate does Sheila charge customers for
each serving?
SERVINGS
100
TOTAL COST
$280
$405
150
200
$530
250
$655
A. $2.80
O B. $2.50
O C. $2.70
O D. $3.00

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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