Maria's first four test scores were 60, 90, 90, and 70. what what does she need to make on the fifth test to maintain a 70 average?

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.

These dots plots show the height (in feet) from a sample of the different types of elephants