Dominic had a collection of comic books. After 70% of his comic books were sold, he had 42 comic books left. How many comic books did he start with? Show your work please​

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Which of the following can be used to explain a statement in a geometric proof?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point