How many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0?

Which compound inequality could be represented by the graph?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?