Which expression are equivalent to -6x+12?
(7x+8) + (-13x+4)
-6(x-2)
(-7x+4) - (x-8)
1/3 (-18x+36)

The time spent dancing (minutes) and the amount of calories burned can be modeled by the equation c= 5.5t which table of values matches the equation and includes only viable solutions

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?