What is the measure of circumscribed ∠X?

3x + 4y = 5 x- 3y = -7 solve by substitution

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly