We can remove parenthesis if we change the sign of all terms in the second parenthesis (because we're subtracting it).
So, we have

And now we simply have to aggregate like terms:

Answer:
the 3rd one ez clapppppppp
340 in 0.75 hours. Divide both sides by 0.75, therefore 340/0.75 in 0.75/0.75 hour.
So 453.33 in one hour.(453.33 units per hour)
Hope it helps! :D
Answer:
She ordered 11 things
Step-by-step explanation:
you should have added the cost of each item then I could have given you the whole answer