Sunayana took a novel book from her school library. She completed reading 1/6 part in the first day, 3/8 part
reading of the book in the second day, 5/12 parts in the
third day. If she completed the novel in the fourth day,
what parts of the novel was left for the last day?

it is true

step-by-step explanation:

all the combinations add up i used   calculator

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places

i believe the answer is y=0.25x+-3