Which expression is a difference of squares with a factor of 2x + 5?

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24