Cori spend more than 4 dollars at a fair let x represent the amount of money in dollars cori spends

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

For each proportion find the unknown number x 1/5/8=×/15

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?