Calculate the mass of a liquid with a density of 2.5 g/ml and a volume of 15ml

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

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