At a shoe store, the average amount of money spent per customer, m, in dollars, is directly proportional to the age of the customer, a. given that the average 35-year-old customer spends $45.00, how much money does the average 49-year-old spend? a. $108.00 b. $38.11 c. $8.29 d. $63.00 reset

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

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

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.