MATH ALGEBRA1

please help with this and explain if you can :)

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

In what organelle does photosynthesis take place?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.