Select all the expressions that could be used to find the area of a running track that is 1,243 feet long and 8 feet wide.
A. 1,243 + 8
B. 8 × 1,243
C. 8 + (1,000 + 200 + 40 + 3)
D. 8 × (1,000 + 200 + 40 + 3)
E. (8 × 1,000) + (8 × 200) + (8 × 40) + (8 × 3)

What does independent variable and dependent variable mean in math?

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

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3