what is a counterexample for the following conjecture if a counterexample does not exist choose not possible conjecture all quadrilaterals are rectangles

An iron-nickel meteorite from Argentina was for sale

What is the sum of 382,654+436,807

Find the least common multiple of each set of numbers 9,12,15

Solve the following equation by factoring. 6x 2 - 5x = 50 {-5/3, 5} {-5/2, 10/3} {-10/3, 5/2}

Marisol has 486 square inches of wrapping paper to cover a gift box. What is the side length of the largest size box she can use to wrap a gift?

Which of the following expressions are factors of 25x^3-75x^2-9x+27? There may be more than one correct answer. Select all correct answers. a. 5x+3 b. x+3 c. x-3 d. x^2-3x+9 e. x^2+6x+9 f. 5x-3

N Florida, the number of alcohol-related traffic deaths increased in 2009 compared to 2008.

t is commonly assumed that babies are equally likely to come as either a boy or a girl. This is not true. Actually, about 51.3% of all babies are boys. If a family has two children (not twins), what is the probability they have one boy and one girl?

Which statement about the value of x is true?

How do you find the 19-4c=17