Un numero se multiplica por 9, al producto Sele suma el cuadrado del mismo número y se obtiene como resultado -16.​

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the

Acabbage palmetto has a height of 80 feet.what is the approximate height of the tree in meters