Help! plz! u'll get brainliest
​

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

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi