I) solve the equation sin2x + 3cos2x = 0 (for 0 till 360°)
ii) how many solutions has the equation sin2x + 3cos2x =0 for 0 < = x < =1080°?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base