Ms. Warren had each student take 3 pencils and create a triangle with them. Roberto has 3 pencils that measure 12 cm, 5 cm, and 7 cm. How many triangles can Roberto create with his 3 pencils?
A. infinitely many
B. two
C. one
D. none

D. None.

Step-by-step explanation:

The Triangle Inequality Theorem states the longest side must be shorter than the sum of the other 2 sides. The longest side ( 12 ) >= ( 7 plus  5 ) = 12  is too large.

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)