Logan collected pledges for charity walk-a-thon. he will receive total contributions of 68 plus 20 every mile that he walks. how many miles will he need to walk to raise 348. plz hurry.

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)