To protect themselves from extreme hot or cold temperature american alligator dig burrows in the mud suppose there are 20 alligators each with 50 feet of burrows what is the total length of all the burrows?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items