Se sabe que los resultados de cierta prueba sanguínea se encuentran normalmente distribuídos. Indica qué porcentaje de los resultados está entre 40 y 80. μ = 60 y σ = 18

Is a positive integer raised to a negative power always positive

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.