4. 8.SP.1.4 A principal surveyed 75 seventh-grade and eighth-
grade students. She asked them if they prefer to
obtain the news from the Internet or to obtain the
news from television. She created a table to display
the data, as shown below.
News Preference
Internet
Television
16
Seventh Grade
34
Students
10
15
Eighth Grade
What is the relative frequency of seventh-grade
students who prefer to obtain the news from the
Internet to all the seventh-grade students
surveyed?

the answer will be

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3

i dont know the answer but here's a picture of a dog

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.