fill in the table. write each shape in the column that describes the number of sides and angles it has. the shapes are triangle rectangle square rhombus parallelogram and pentagon​

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: