Which of the following sets are not well-defined?

set of all counting number

set of all even integers

set of integers greater than 6 but less than 10

set of four best actors in the world

A pronghorn antelope can run at speeds of about 59 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.) A.

Harriet recorded outdoor temperature as - 7, - 2, and 1. Which of the following correctly compares the three temperatures? Show all work! A. - 7 < 1 < - 2 B. 1 < - 2 < - 7. C. - 2 < 1 < - 7 D. - 7 < - 2 < 1

What is the number eight in the tens place zero in the ones place and four in the hundreds place

200 lb = how many tons

Antwaan is arranging all the art projects in the school hallway. There are 5 tables and 35 clay pots. He wants to put the same number of clay pots on each table.

What is an algebraic expression for each phrase? a - the product of 9 and a number 1 b - the difference of a number x and 1/2 c - the sum of a number m and 7.1 d - the quotient of 207 and a number m

A sweater was marked up from $40 to $50. If p is the percent increase in the price of the sweater, which proportion can be used to calculate p? A. B. C. D.

The student relations committee of a college consists of 2 administrators, 3 faculty members, and 5 students. Four administrators, 8 faculty members, and 20 students are eligible to serve. How many different committees are possible?

Mrs. Wang is 23 years older than her daughter. In 5 years, their ages will total 63. How old are they now

the perimeter of a rectangle is 400 meter. The length is three times the width. Which of the following best describes the length of the rectangle?