Jose and alexia were lab partners in science class. they needed to weigh three samples of rock to the nearest thousandth. the first sample weighed 3.346 grams, the second weighed 2.479 grams, and the third weighed 9.240 grams. how much did the samples weigh altogether? 15.065 g 11.719 g 5.825 g 0.069 g

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap