Which set of algebra tiles represents the sentence below?

Luis added four shells to his collection.

A. 1 box contains x and 4 boxes contain minus signs.

B. 4 boxes contain x and 1 box contains a plus sign.

C. 1 box contains x and 4 boxes contain a plus sign.

D. 4 boxes contain x and 1 box contains a minus sign.
PLEASE HURRY ·ω·

Select the correct answer and solve for y

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.