Answer:
B and D
Why A is incorrect: 50-17=33, not -33.
Why C is incorrect: 17-23??? Incorrect.
I would assume this to be equal to y⁴ ₓ y⁵
= y⁴ ⁺ ⁵, By law of indices.
= y⁹
I hope this helped.
Answer:

Step-by-step explanation:
Required
Determine an expression for the given statement
The expression can be rewritten as:
one-half * the cube of m subtracted by 4
Convert each statement to mathematical expressions:
One half = 
The cube of m = 
one-half * the cube of m = 
At this stage, we have:
subtracted by 4
This gives:


Hence, The corresponding expression is 
Answer:
the first option where you seperate them all and then combine them :)
Step-by-step explanation:
I would show the math but I cant use the symbols so it wont work. Hope this helps, if it does please mark brainliest !!