The mass of a science textbook is 1.15 kilograms. The mass of a history textbook is 950 grams. Rami makes a stack of 4 science textbooks and a stack of 5 history textbooks. Which stack has a greater mass, and by how much?

hm let me think hm think think hm think yes

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.

if e is the midpoint of bd, then bd is 14.

step-by-step explanation: