Answer:
-24
Step-by-step explanation:
-7 +3 is -4
-4+-20 is -24
Answer:
1. 2/5,-3 2. 
Step-by-step explanation:
i used the quadratic formula to find x also please note that 2 has 2 answers bc of the +- beofre the sqrt of 13
-5 + n is another way to write the expression.
Answer: the answer is 56
Step-by-step explanation: since the f(x) is -7 it would be 9 times -7 then minus 7 and get the answer.