Answer:
Step-by-step explanation:
Distance between origin (0, 0) and point (x, y) is given as:

Answer: 2.5, 21/8, √25, pi, √19
Answer:
252m^3
Step-by-step explanation:
Multiply all the numbers.
Answer:
He will need to save $295
Step-by-step explanation:
he needs 450 and he has 155, so all you would do is subtract 155 from 450 and you get the rest he needs which is 295