Perform the indicated operation or operations.-6 + 18 + (-3)… Post author By Anonymous Post date January 20, 2025 Related Posts:Perform the indicated operation or operations.-42 ÷ 6Perform the indicated operation or operations.-5 - (8 - 15)Perform the indicated operation or operations. ← Manganese makes up 1.3 ´ 10–4 percent by mass of the element… → Simplify the algebraic expression.10(9x – 10y) – (5x – 4y)