PLEASE HELP FOR BRAINLIEST! ;)

The answer for 7 is 525

the answer for 8 is a) yes its a random sample and b) the question is not biased because the question is a wide topic with many possible answers.

Step-by-step explanation:

for 7 cross multiply 3000 over x and 200 over 35 and divide the fraction.

for 7, it's a random sample because a) you didn't ask all the boys and b) it's a wide topic with many answers.

connie < felicia < stew

step-by-step explanation:

stew:

we need to find the slope

m = (y2-y1)/ (x2-x1)

    = (2650-795)/(10-3)

    = 1855/7

265 words per minute

connie:

we need to find the slope

m = (y2-y1)/ (x2-x1)

we have two points (0,0) and (4,800)

m = (800-0)/(4-0)

  m = 800/4

    200 words per minute

felicia:

260 words per minute

200< 260 < 265

connie < felicia < stew

linear pair postulates