Answer:
99 square feet
Step-by-step explanation:
Because 8 times 9=72+27=99
Answer:

Step-by-step explanation:
Vertex form:
where:
is the vertex
is some constant
Given:
- vertex = (-4, -1)
- point on parabola = (-2, -3)
Substitute given values into the formula to find
:





Therefore, the equation of the parabola is:

Where x is tickets at the door and y is tickets in advance:
12x+8.5y≥1000
x+y≤200
Answer: The sales tax rate is 3%.
Step-by-step explanation: $12.90 is 3% of $430.
Answer:
1/4
Step-by-step explanation:
a^2 = 1/2^2
1/2^2= 1/4