Scores on the sat test have a mean of 1518 and a standard deviation of 325. scores on the act test have a mean of 21.1 and a standard deviation of 4.8. which is the better score and why?

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?