Answer: use a calculator or ask for help
Step-by-step explanation:
Answer:
6 packages.
Step-by-step explanation:
If they are $3 each, and you only have $18, divide 18 by 3, which gives you 6.
Answer:
20cm or A
Step-by-step explanation:
pythagorean theorem
25^2=15^2+b^2
625=225+b^2
b^2=400
b=20