there are 5 red counters and x blue counters in a bag . 2 counters are removed from the bag at random . the probability that both counters are red is 5/33. work out the value of x

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11