PLEASE NEED HELP NOW❤️ Sry just tryna get people’s attention, please help though

What is the surface area of the given figure?

A. 2,564 cm^2

B. 2,276 cm^2

C. 2,184 cm^2

D. 1.160 cm^2

Explain?

Use the graph of the sine function y=2sinθ shown below

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)