For the foundation of the patio, Simon will use a dry mixture of sand and cement He will need 20kg of mixture for each square metre of patio.
To make the mixture he needs to mix sand and cement in the ratio of 5:1.

Calculate how many 25kg bags of cement he will need.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.