What is the value of the expression 5/6 - 2/5(4 - 1/2)? A. -17/30
B. 91/60
C. -38/30
D. 21/2
pls answer quickly im doing a test.

29. explain the error a student found the product of 8 × 10 6 and 5 × 10 9 to be 4 × 10 15 . what is the error? what is the correct product?

What other information do you need to prove triangle dac=bca by asa

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car