Answer:

Step-by-step explanation:





Answer:
Perimeter = 2 ( l + w )
if u r given for rectangle thats the formula
Answer: f(x) = 7x
See this table
x [ ft^3 of air in the ballon] f(x) [grams that can be lifted]
1 7
2 14
3 21
Answer: Yes! These numbers can form a right triangle.
Step-by-step explanation: Make 5=a, 14=b, and 12=c.
Add a and b to be less than c. Then, b and c to be greater than a, and a and c to less than b. Do they all add up to be greater or less than? Yes they do!
Answer:
You will not be able to find the area of the framed painting without finding the length, which you did not provide. Assuming you meant “3 inches wide” to actually mean the length then the surface area of the painting is 9 inches squared. However, to find the height, you must divide 3 by 2.5 as the width was said to be 2.5 times the height of the painting. This will give you an answer of 1.2 inches in height.