In triangle abc, m_a = 45°, mzb = 40°, and a = 7. which equation should you
solve to find b?
a. c0545º = cos40
b. sin45º = sin40
c. 62 = 72 - 2(7) bcos40°
d. sin45º = singo

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%