Can someone help me on this please

C. 80 degrees

Step-by-step explanation:

If you do the math both x and z have to be the same number so they would be 50 degrees. Then those two would equal 100 degrees. Therefore, 2*50=100-20=80. Which proves it both ways which henceforth, gives us C. 80 degrees.

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

false

step-by-step explanation:

the reason i say this is because for a certain length of sides you can pick any two and the length is wither equal or greater than the third side and in this case it's not.

3 + 5 = 8

8 is smaller than 9 which is the third side.

hope this : )