Answer:
Step-by-step explanation:
3×70° 45' 10''-2×40°25'10''
=210° 135'30''-80° 50'20''
=130°85'10''
=131°25'10''
Answer:
C
Step-by-step explanation:
Answer:
for the first one, x + 3 * y = 5
and the second equation, x - y = 5
Step-by-step explanation:
the sum of two numbers means for example the sum of 5 and 8 is 13, so as an equation that is 5 + 8 = 13
the difference is the same thing as the sum but it's subtraction.
and then times is just multiplication.
