Rafael counted a total of 40 white cars and yellow cars. there were nine times as many white cars as yellow cars. how many white cars did rafael count?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

In the next 10 years, how do you think hipaa guidelines will affect the roles, responsibilities and tools of a medical transcriptionist