Answer:
21+j=55
Step-by-step explanation:
It says sum, which means to add(+). So you add 21 and j (21+j) and that equals 55 (=55). Then you add all the pieces together and you get 21+j=55
Answer:
100
Step-by-step explanation:
because 1 x 100 = 100
Answer:
hihihihihihihihihih hehe
Step-by-step explanation:
Answer:
it is a right triangle
Step-by-step explanation: