3. El ancho de un libro rectangular es de 20 centímetros menos del doble de su longitud. El perímetro es de al menos 59 cm. Si x es la longitud del libro, ¿Qué desigualdad representa esta situación y qué cantidades son verdaderas para x? A. 6x-40 2 59, donde x > 13
B. 6x-40 > 59, donde x > 16.5
C.6x-40 <59, donde x < 16.5
D.6x-40 <59, donde x < 13​

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?

Write a problem for the equation 0.5n=12.5. then solve the equation and write the answer to your problem.