Answer:
51 degrees
Step-by-step explanation:
All right angles are 90 degrees and all triangles interior angles add up to 180.
39+90=129
180-129=51
Answer:
see below
Step-by-step explanation:
16+20/t
Let t=4
16 + 20/4
First we divide
16 + 5
Then we add
21
Answer:
3.875
Step-by-step explanation:
Step-by-step explanation:
(3k - 2)(5k + 4)= 15 k^2 +12k - 10 k - 8 = 15 k^2 + 2k -8