Determine the value of x to the nearest metre.

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)