Which of the following equations are true for the number 9? Select all that apply. A. 4 ÷ □ = 9/4 B. 1/9 = □ ÷ 9 C. 7 ÷ □ = 7/9 D. □ ÷ 1/9 = 81 HELP FAST PLEASE WILL GIVE BRAINLIEST

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?