What is the value of 'b' when -6.2x + b = -3.1(2x - 3) ? you in advance!

Me with this one question, and i'll upvote the brainliest 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?

Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.