Find the axis of symmetry for this parabola.
y = 3x2 - 6x - 9
x = -3
☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆x = 1
x = 3
x=4
-b/2a=-(-6)/2(3)
=6/6=1
Answer:
The probability of an eighth grader winning is 1/3
Step-by-step explanation:
Total no. of students = 42
Number of students in 7th grade = 21
Number of students in 8th grade = 14
Number of students in 9th grade = 7
Probability of event = 
So,the probability of an eighth grader winning= 
Hence The probability of an eighth grader winning is 1/3
I am pretty sure it is 3520 feet per minute.
Find each sum.
1. 56+ (-56) = 0
The number series 1, 2, 3, 4, 55, 56. Therefore, 1596 is the sum of positive integers.
Answer: 73.1 pounds of sand.
Step-by-step explanation: 48.5 Pounds (Big Bag) + 24.6 (Small Bag)
48.5+24.6 is equal to 73.1 pounds of sand. That is how much sand was purchased altogether.