Uma celebrated her birthday with her friends on lask week .She divided the cake into 21 equal parts . Each of her friends have got 1/7 of the cake . Then how many of hem had eaten the cake ?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls