Sam recorded the effects of exercise on short-term memory. which of these is a response variable ?
a. exercise
b. neither exercise nor short-term memory
c. short term memory
d. both exercise and short-term memory

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2