How do I figure out thirty-one minus an unknown number minus twelve equals six?

At a local college, of the male students are smokers and are non-smokers. Of the female students, are smokers and are non-smokers. A male student and a female student from the college are randomly selected for a survey.

How to write a comparison sentence 5*9 = 45

Which of the following is an arithmetic sequence? a. - 2, 4, - 6, 8, ... b. - 8, - 6, - 4, - 2, ... c. 2, 4, 8, 16, ...

a bank loaned out $13,000 part of it at a rate of 8% per year and the rest at 16% per year. if the interest received in one year totaled $1500 how much was loaned at 8%.

Write 140% as a fraction and a decimal

Solve for y: y + 8 = 2

What is the vertex for f (x) = -x^2

Solve for x. -3x - 8 = 10

Porfa ayudenme con este ejercicio. Rosita tiene que escoger una camisa roja, una camisa negra, una camisa azul, un pantalon negro y un pantalon azul.

What a story problem to represent 6:1/5 and u have to actually write a problem problem