5. Which of the following statements are true? Select all that apply С
А
+
-6-5-4-3-2-1
B
+
0 1 2 3 4
5 6
The length of AB is -3
AB + AC = BC
AB + BC = AC
AC - BC = AB
The length of AC = 9
AC - AB = BC

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1