The two-way table shows the number of students in a middle school who have 0, 1, 2, or 3 siblings.

Siblings Grade 7 Grade 8 Total
0 10 7 17
1 15 14 29
2 8 18 26
3 7 6 13
Total 40 45 85
How many more 7th graders than 8th graders have 1 or no siblings?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64