The memory card on melchers digital camera can hold about 430 pictures melcher used 18% of memory card while taking pictures at a family reunion about how many pictures in melcher take at the family reunion? round to the nearest whole number

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

How do you write something in scientific notation?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55