Which of the following situations are equal to 6? Select all that apply. A) 30% of 10
B) 60% of 15
C) 50% of 12
D) 20% of 30
E) 75% of 8

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

X-10/4 when x = –18 a 7 b –2 c –7 d 2