Answer:
The answer is option D.
Step-by-step explanation:
First we must first find the LCM
the LCM of x² - 9 and x + 3 is x² - 9
So we have

Hope this helps you
Answer:
32
Step-by-step explanation:
x + y = 48
x - y = 16
-----------------
2x = 64
x = 32
32-y = 16
y = 16
Answer:
5 hours
Step-by-step explanation:
subtract 390 by 215 to get 175 then divide 175/35 to get 5
You can use the butterfly method. Two numbers that equal A times C must also add up to B. A=1 B=-10 C=21. A times C is 21 and B is -10. Two numbers that multiply to 21 and add to -10 are -7 and -3. Factored form: ( x - 7 )( x - 3 ).
Well for 11, it is an inequality, a > sign or < sign with a little underscore mean either "greater than or equal to" or "less then or equal to" so 30> 12+m (>with an underscore) means 30 is greater than or equal to 12+m