The width of a rectangle is the length minus 4 units. The area of the rectangle is 21 units. What is the width, in units, of the rectangle?​

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

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?