When exchanging us dollars (usd) for philippine peso.(php) the number of philippine pessos received is directly proportional to the number of us dollars to be exchanged .if 850usd can be converteted into 31,076.85php
find the constant of proportionality k
k= ? (if needed , round answers to 3 decimal places.
question 2)
using the k from above find the amount of php given that you have 1,250 usd to convert you will receive =? php ( if needed round answer to 2 decimal places

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.