I’m pretty sure I did my math right, hope this helps.
Answer:
2.953
Step-by-step explanation:
Following the order of operations, work from left to right for addition/subtraction.
Subtraction:

Addition:

Therefore, the solution is 2.953
Answer:
B.) 
Step-by-step explanation:

A negative and a negative equals a positive. Remove parentheses and simplify

Done.
X intercepts are -3 and 5