The difference between three times a number and seven is twenty. what is the number? a) 20/7 b) 13/3 c) 9 d) 27

What properties allow transformation to be used as a problem solving tool

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?