Answer:
None
Step-by-step explanation:
This doesn't really make sense, If the item is 629$ and Keith only gives 50$ Keith is the one who should pay.
Answer:
If you consume less energy you pay less with respect to the amount of energy you saved. If you saved 16% of total energy you should expect to lower your bill by 16%. Count how much is left -> 1900-1900*0.16=1596$
Always. A rhombus is a quadrilateral with equal sides. A square will always have equal sides.
Answer:
It would be the first option.
f(x) = -2 |x| + 1