A regular pentagon of side 10cm with star inside. calculate the area of the star​

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?