A triangle has side lengths of (8b – 10c) centimeters, (8b – 4d) centimeters, and (9d + 8c) centimeters. Which expression represents the perimeter, in centimeters,
of the triangle?

A. 25bd - 6cd
B. -c + 4d + 16b
C. 4bd - 2bc + 17cd
D. 16b + 5d - 2c

Will give brainliest if you explain! :)

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?