If the r-value, or correlation coefficient, of a data set is 0.854, what is the coefficient of determination to three decimal places?

Which statement could the expression 13+X represent

The manager of a mail order business will ship the packages to their customers. The cost, in dollars, to mail a package is based on its weight x, in pounds, and is given by the equation y = 0.7x2 - 2.5x + 3. How much will the cost be to mail a 5 lb.

The radius of a sphere is 6 cm what is the volume

3 (x - 2) + 4x = 10 (x + 1) (25 pts 4 answering right)

What is 1880.00 - 5.16 =

What is the pythagorean theorem used for?

Dewayne is 6 feet tall. At 4:00 in the afternoon, Dewayne's shadow is 9.2 feet long. At the same time of day, a tree in Dewayne's yard has a shadow that is 25 feet long. How tall is the tree? Round to the nearest tenth. Enter only the number.

A laboratory culture contains 150 bacteria. After twenty minutes, the culture contains 300 bacteria. After one hour, the culture contains 1200 bacteria. Make a conjecture about the rate at which the bacteria grow.

In a study of 225 adults, the average heart rate was 72 beats per minute. Assume the population of heart rates is known to be approximately normal, with a standard deviation of 10 beats per minute. What does a margin of error of 1.

Ursula drew a polygon in which all the triangles were obtuse. what kind of polygon could she have drawn? A. Trapezoid B. Parallelogram C. Triangle D. Pentagon