Answer:
I think its 90°
Step-by-step explanation:
I dont know foe suee
65(7) = 455 sit-ups during a 7 day period
Answer:
90 degrees
Step-by-step explanation:
Assuming that this polygon is a square, x would be 90 degrees. In a square, all angles are right angles.
Answer:
hjv j
Step-by-step explanation:
kkj
Answer:
15 grams
Step-by-step explanation:
If the copper made up 80% of the weight of the bar (w), then the bar weighed ...
0.80w = 12 g
w = (12 g)/0.80 = 15 g
_____
Copper has a density of about 8.96 g/cm³, so Nancy's "large" metal bar is about the size of two sugar cubes.
