If the volume for 3-d pyramid a is 400 cm3 and the volume for 3-d pyramid b is 800 cm3, how many times bigger is the volume of pyramid b than pyramid a? (4 points)

Ruby and chung work together ruby lives 13 1/2 miles from work chung lives 2 1/6 miles beyond ruby how far from work does chung live

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?