Write a decimal in tenths that is less than 3.81 but greater than 3.0

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line