Answer:
4
Step-by-step explanation:
BCD is a right triangle. The Pythagorean Theorem applies; a^2 + b^2 = c^2, with c being the hypotenuse. a^2 + 9 = 25, so a^2 = 16, so a = 4
Answer:
<u>I</u><u>t</u><u> </u><u>i</u><u>s</u><u> </u><u>1</u><u>0</u><u>√</u><u>2</u>
Step-by-step explanation:

Your goal is to fill in the whole grid with numbers, making sure no number is repeated in any row or column. When it is 4x4 you have to use numbers 1,2,3,4.
Answer:
71.4 mph
Step-by-step explanation:
357/5 = 71.4
I'm not sure what your question is, but hope this helps
That equation will be
.. f(x, y) = f(3, -2)
.. 2x^2y +7x +20 = 2*3^2*(-2) +7*3 +20
2x^2*y +7x +20 = 5