I'll give you 40 points if you me out with these math ! #11th grade math..ughh

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

Simplify. 3(4+4x) (type your answer in with no spaces)