Jakes boss at hometown road builders has asked him to paint traffic lines on a new road. The road is 7 blocks long .Each block is the same length .Jake paints the lines 5 blocks before lunch and 2 blocks after lunch

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?