Sandy uses 1/8 of a pound of chocolate chips in each batch of cookies she makes. Yesterday Sandy used 4/5 of a pound to make all her batches. How many batches of cookies did Sandy make?

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

The area of a circle is equal to 1 dm². find the radius of the circle.