Work out the sum of 1 4 , 4 8 and 2 3 . Give your answer as a mixed number in its simplest form

Graph the equation. select integers for x

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?