Arnaud paid $350 for a rug. the price of the rug that bill purchased was 2/5 the price that arnaud paid. how much did bill pay for this rug?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.