If AABC= A DEF, which congruences are true by CPCTC? Check all that apply.
APEC correct answer is:
AB =DE
AC= DF
See photo.

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16