A carpenter is building two tables he used 6 planks of pine that were 1 5/8 pounds each. For the 2nd table he used 4 planks of oak that were each 2 1/8 pounds each. What is difference in pounds between the two tables

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

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.