What is the product of 1,626 by 51

Simplify the expression 10/11(22z) + (a+5) -1

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.