Answer:

Step-by-step explanation:
This answer is easily found using the Pythagorean Theorem:

where A and B are the legs, and C is the hypotenuse of the triangle.

Answer:
4
Step-by-step explanation:
hopes this helps i have a F in math so not sure
Answer:
D
Step-by-step explanation:
A=bh
A=11.40*6.90
A=78.66 cm^2
252 seeds
Since there is 42 seeds in each of the 12 bags you need to multiply 42 and 12
42 × 12 = 504
So in total she has 504 seeds, now you need to split that in half by dividing 504 and 2
504 ÷ 2 = 252
Therefore she has 252 seeds left
Hope this helps! :)