Answer:
1 out of every 5 throws were strikes.
Step-by-step explanation:
20% is one fifth of 100%.
Answer:
b) x=13
Step-by-step explanation:
first divide 10 by 2 to get the base of one side of the triangle
the answer will be 5
Then using the Pythagorean theorem
a2+b2=c2
12^2+5^2=169
the square root of 169 will be 13
-x^2 + 9 - 3x^2 - 11x + 4
-4x^2 - 11x + 13
