A toy ball in the shape of a sphere expands and contracts. When it is completely closed, it has a diameter of 19.5 inches. Find the volume of the sphere when it is completely closed

John has 3 apple he gives 2 to his brother. How many apples does he have?

Elsa runs 3 miles in 25 minutes. At the same rate, how many miles would she run in 20 minutes?

A garden has 4 rows of flowers the 1st row has 12 flowers a second row house 14 flowers the 3rd row has 16 flowers and then the 4th row has 18 flowers. what is the probability of choosing a flower from the 3rd row? 30% 27% 23% 20%

10. What is the least number of acute angles a triangle can have? 11. Can a triangle have a right angle and an obtuse angle? Explain your answer. 12. Kaya said that a rectangle can be a rhombus. Explain whether Kaya's statement is correct. 13.

Solve the system X plus 3Y equals 5X plus 4Y equals six

Liam is saving up. Which expression is equal to h the number of hours Liam will need to babysit to save enough money for a cell phone.

Three different complex fractions that simplify to 1/4

A rate for $18 for three books

Victoria's university English teacher Mr. McTuffie has told her she will have 27 assignments this semester. Victoria has discovered that she needs to spend 3.

What is the gcd of 7,28