(2x+3)*4 is less than or equal to 10. For x, the number, you would get x is greater than or equal to -1/4.
Step-by-step explanation:
sorry I wanted to help you but my calculator is take out decimals sorry I don't know what to do
A.
because the total distance of every triangle 180. Add the two other angles so 42+ 57 =99. Then you have to subtract those two combined angles to find the missing one from the total distance, which is 180. 180-99=81. the answer is A. 81
The length of the other leg is 12 cm