Which equation is balanced? Mg3N2 + H2O → 3MgO + 2NH3
C3Hg +502 + H2O + 3CO2
Zn + 2HCl → ZnCl2 + H2
3H2SO4 + 2Fe — Fe2(SO4)3 + H2

4.11 painting a wall (1) prompt the user to input integers for a wall's height and width. calculate and output the wall's area (integer). note that in this case there is a new line after each prompt. (submit for 1 point). enter wall height (feet): 11 enter wall width (feet): 15 wall area: 165 square feet (2) extend to also calculate and output the amount of paint in gallons needed to paint the wall (floating point). assume a gallon of paint covers 350 square feet. store this value in a variable. output the amount of paint needed using the %f conversion specifier. (submit for 2 points, so 3 points total). enter wall height (feet): 11 enter wall width (feet): 15 wall area: 165 square feet paint needed: 0.471429 gallons (3) extend to also calculate and output the number of 1 gallon cans needed to paint the wall. hint: use a math function to round up to the nearest gallon. (submit for 2 points, so 5 points total). enter wall height (feet): 11 enter wall width (feet): 15 wall area: 165 square feet paint needed: 0.471429 gallons

What kind of motivation is katrina showing? use the drop-down menu to complete the statement. katrina is using motivation because she is personally interested in learning more.

Active listen eliminates barries to communication true or false