The graph of y = x2 has been drawn below, for values of x from x = 0 to x = 6. Use the trapezium rule, with the ordinates x = 0,* = 1, x = 2 x= 3 x= 4X = 5 and x = 6, to estimate the area of the shaded region shown above.

How do I do this what’s the formula plz it’s due tomorrow

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

I’m confused on how to work the pie charts

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation