Answer:
8
Step-by-step explanation:
mean of A=28+23+30+25+27/5 = 26.6
average of B=22+19+15+17+20/5 = 18.6
now,
difference= 26.6-18.6
=8,,
FOIL first outer inner last it’s distribution
Add 35+ 72.5=107.5 that should give you your answer for c and the answer for d is acute because the triangle would have to be 360 to be Obtused and it's not a right triangle because you don't have a 90 degree angle
Answer: 37) 170
Step-by-step explanation:
85 - (-85) = 85 + 85 = 170

318,224,480
5 is in the ones place so u round up