Terry’s age is 3 less than three times Cody’s age. The sum of their ages is 57. How old are Terry and Cody?

let Cedric's age be c

tyshon= 3c-3

3c-3 +c =3c+c-3 = 4c-3

4c-3=57

4c=60

c=15

tyshon=15×3-3 = 42

16

Step-by-step explanation:

57dvied by 3 -3=16

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.