Answer: -4/15
Step-by-step explanation:
- 2/3 - (-2/5)
= -2/3 + 2/5
= -10/15 + 6/15
= -4/15
Mean is adding all the numbers then dividing the answer you go from the numbers.
Answer:
I belive it would be HL because its defenitly not SSS
Step-by-step explanation:
HL Postulate is if the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then the two triangles are congruent.
Answer:
p = 16/9
Step-by-step explanation:

Answer:
it is 56
Step-by-step explanation:
there are 4 sides and they are all 10 and if you add them they are 40 and if you do the bottom it is 16 and 40 + 16 is 56 hope it helps