According to the big bang theory, which describes the universe before the actual big bang occurred? a-multiple, cold, dense points, each larger than the sun b-multiple, hot, dense points, each smaller than an atom c-single, cold, dense point larger than the sun d-single, hot, dense point smaller than an atom

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%

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

At what time would the magnitude of the velocity reach 36.00 km/hr