In kaplan and simon's experiment, they presented different versions of the mutilated checkerboard problem. participants in the group had the fastest response time.
a. blank
b. color
c. black and pink
d. bread and butter

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?