A regular triangular pyramid has a base area of 31.5 mm2 and a surface area of

252 mm2. What is the lateral area of the regular triangular pyramid?

A. 220.5 mm2

B. 126 mm2

C. 283.5 mm2

D. 127.75 mm2

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer