Dr. Macmillan has designed a test to measure mathematical ability in college graduates. In order to establish a norm against which individual scores may be interpreted and compared, she is currently administering the test to a large representative sample of college graduates. Dr. Macmillan is in the process of: a. establishing the test's representativeness. b. standardizing the test. c. establishing the test's reliability. d. establishing the test's validity.

Using elimination, what is -4x+2y=-12 4x+8y=-24

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?