How do i do a problem like 3/27 + 5/9 =​

The difference between tax advoidance and tax evasion

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12