James and Peter have 30 books altogether.

Sandy and James have 50 books altogether.

Peter and Sandy have 40 books altogether.

How many books does Sandy have?

What's the volume of a cone with a height of 5 cm and a diameter of 2 cm

Tell whether the statement is true or false. {4, 10, 15} = {0, 4, 10, 15}

What is 12 minus 9 4/7

Write an equivalent expression: 10 (ytimesy + 2.45)

1,000,000,000 divided by 167?

Maria Works in a florist shop in makes flower arrangement she puts 10 flowers in each vase and 2/10 of the flower are daisies last weekend Maria used 10 daisies to make flower arrangements how many flowers other than daisies did she use to make the

Simplify the expression. 3n - 5 + 2n + 4

How much more is 3/8 gallon than 1/4?

What is half of 90?

1,49,1625,3649, ... what is the next term in this series?