Craig likes to collect vinyl records. last year he had 10 records in his collection. now he has 12 rerecords. what is the percent increase pf his collection?

His collection increased in a 20%.

Step-by-step explanation:

We can solve this with the rule of three.

If 100% represents 10 records, what percentage would be for 12 records?

So, if we subtract , it's gonna result in a difference of 20%, which means that 12 represents a 20% more, or his collection increased in a 20%.

The third question is correct.

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )