Which expressions are equivalent to 7*7*7*7*7*7

[a] 7^8/7^2
[b] 7^6*7^1
[c] (7^2)^3
[d] 7^12/7^2

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5