Mean means average, so you would add the numbers up and divide by the amount of numbers in the set.
Answer:
Pierre has enough boards and nails to make 9 tables and 5 chairs.
Step-by-step explanation:
That is an isosceles right triangle. (Also known as a 45 45 90 triangle).
Measure your givens first in the picture and go from there.
Answer:
p = 40
Step-by-step explanation:
20/6 = p/12
20 × 12 = 6 × p
240 = 6p
p = 240/6
p = 40
