Solve 6x^5+x^4-4x^3-4x^2+x+6=0

Which expression will have the same sum as 3_8 + 1/4?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Solve the triangle. a = 21°, c = 105°, c = 5