Bonita spent 2.00 for 20 pencils, jamal spent 1.50 for 10 pencils, and hasina spent 2.10 for 15 pencils. list the students from least to greatest according to the unit price paid.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.