Which expression is equivalent to (7+4i) +(8+i) 1. 15-5i
2. 15+5i
3. 5+0i
4. 20+0i

The answer is number 2.

15+5i

Hope this helps

2. 15 + 5i

Step-by-step explanation:

Remove the brackets.

7 + 4i + 8 + i

Rearrange.

7 + 8 + 4i + i

Add the like terms.

15 + 5i

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.