Answer the following. Simplify the following an express in the form a + ib: `3 + sqrt(-64)`

Answer the following. Simplify the following an express in the form a + ib: (2i^3)^2

Answer the following. Simplify the following and express in the form a + ib: (sqrt(5) + sqrt(3i)) / (sqrt(5) - sqrt(3i))

Answer the following. Simplify the following an express in the form a + ib: 5 / 2 i(-4 - 3i)

Answer the following. Simplify the following an express in the form a + ib: (2 + 3i) ( 1 - 4i)

Answer the following. Simplify the following an express in the form a + ib: (5 + 7i) / (4 + 3i) + (5 +7i) / (4 - 3i)

Answer the following. Simplify the following and express in the form a + ib: (1 + 3i)^2 (3 + i)

Answer the following. Simplify the following and express in the form a + ib: (1 + 2 / i) (3 + 4 / i) (5 + i)^-1

Answer the following. Simplify the following and express in the form a + ib: (3i^5 + 2i^7 + i^9) / (i^6 + 2i^8 + 3i^18)

Simplify the following and express in the form (a+ib): (2i^3)^2