If x is an integer such that x^3 is between -30 and 30 (exclusive of -30 and 30), which of the following could be values of x? Indicate **all** such values.
Please select 6 correct answers
Select all possible integer values for x.
Which of the following numbers have exactly 3 positive divisors? Indicate **all** such values.
Please select 3 correct answers
Select all numbers with exactly 3 positive divisors.
If x and y are integers and x+y=5, which of the following could be the value of x-y? Indicate **all** such values.
Please select 3 correct answers
Select all possible values for x-y.
The set P contains all prime numbers less than 20. Which of the following are elements of P? Indicate **all** such values.
Please select 3 correct answers
Select all prime numbers less than 20.
If n is a positive integer, which of the following expressions must be greater than n? Indicate **all** such expressions.
Please select 2 correct answers
Select all expressions that are always greater than n.
Which of the following could be the lengths of the sides of an isosceles triangle? Indicate **all** such sets of lengths.
Please select 4 correct answers
Select all sets where at least two sides are equal and they can form a triangle.
If x is an integer, which of the following expressions must represent an odd integer? Indicate **all** such expressions.
Please select 2 correct answers
Select all expressions that are always odd.
The sum of two distinct prime numbers is 15. Which of the following could be one of the prime numbers? Indicate **all** such values.
Please select 2 correct answers
Select all possible prime numbers that could be part of the pair.
If x and y are positive integers and x/y = 0.4, which of the following could be the value of y? Indicate **all** such values.
Please select 3 correct answers
Select all possible values for y.
Which of the following inequalities are true? Indicate **all** such values.
Please select 3 correct answers
Select all true inequalities.
