Which three of the following are in the same fact family as the equation below? 12.4 - 3.2 = 9.2

a. 9.2 - 3.2=12.4
b. 9.2 + 3.2=12.4
c. 12.4 - 9.2=3.2
d. 12.4 + 3.2=9.2
e. 3.2 + 9.2=12.4
f. 3.2 - 9.2=12.4

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.