Okay, to start off using a number line is always useful. Negative 4 plus 5 equals 1, if it dropped by 30 which is subtracting 30 from 1 it takes 1 out of the positive zone to the negative. Which equals to negative 29.
Answer:
k = 33
Step-by-step explanation:
7 + k/3 = 18
=>7 + k/3 -7 = 18 - 7
=>k/3 = 11
=>(k/3) * 3 = 11 * 3
=>k = 33
I am pretty sure the answer is c
Answer is 8
If z=3 and z(3) is being subtracted from 11 then it is 11 minus 3,which is 8