Maria’s father started a fire in the fireplace. he crumpled some paper, lit a match, and soon the logs in the fireplace were burning. in this case, the stored chemical energy in the logs was changed into

a) electrical energy.

b) mechanical motion.

c) heat and light energy.

d) electrical and heat energy.

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect