Question 20 of 25
1 point
after being rearranged and simplified, which equation cannot be solved using
the quadratic formula?
o
o
a. x2 - 6x- 7 = 2x
b. 2x2 – 3x+ 10 = 2x2 + 21
o
c. 5x2 – 3x + 10 = 2x2
o d. 2x - 4 = 2x2

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

A.s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.