Is x^4+3x^3-x+7 in standard form

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

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.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers