Sean places 21 tomato plants in rows. All rows contain the same number of plants. There are between 4 and 12 plants in each row. How many plants are in each row? its just for my younger brother

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

What is the interquartile range of this day at set?