Is - 15.55555555 a rational number

The following are scores made on a math test. 80, 90, 90, 85, 60, 70, 75, 85, 90, 60, 80 What is the range of these scores?

If there are 13 values in a data set in order from smallest to largest, what is the third quartile of the data set? A. The mean of the 9th and 10th values O B. The mean of the 8th and 9th values C. The mean of the 10th and 11th values O D.

Under a dilation, triangle XYZ where X (4, 7), Y (-3, 8), and Z (-2, - 1) becomes triangle X'Y'Z' where X' (4/3, 7/3), Y' (-1, 8/3), and Z' (-2/3, - 1/3). What is the scale factor for this dilation? A. 1/2 B. - 1/3 C. - 3 D. 3

How do u write 604,985 in words

Lavina wants to buy a rocking chair for 160$ she'll pay 10% down and pay the rest in six monthly installments. what will the amount of each monthly payment?

How many answers are in each of these three questions: 1. x squared minus three x plus four equals zero 2. Two x squared plus four x minus five equals zero 3. X squared plus eight x plus sixteen equals zero

If x = a + bi and y = c + di, x * y = y * x.

James spent half of his weekly allowance on clothes. to earn more money his parents let him clean the oven for $8. what is his weekly allowance if he ended with $15

24/643 A. 24 remainder of 17 B. 25 remainder of 19 C. 26 remainder of 19 D. 26 remainder of 18

A car tire has a diameter of 30 in what's the circumference of the tire?