She would save $9.12 by using the better sale! I hope this helped!:)
Answer:
(8,-3)
Step-by-step explanation:
The given parabola is

We factor -3 from the first two terms to get:

Add and subtract the square of half the coefficient of x


We simplify to get:

We compare this to y=a(x-h)²+k,
The vertex is (h,k)=(8,-3)
Answer: She ordered 4 toppings.
Step-by-step explanation:
Given: Total cost of pizza = $ 12.90
Cost of pizza =$7.50
Price per topping = $1.35
Let x = Number of toppings,
Total cost of pizza = (Cost of pizza) + (price per topping) × (Number of topping)

hence, she ordered 4 toppings.
Answer:
Speed of the parachutist is meters per second
meter per second
Distance travelled in 2 seconds
meter
Step-by-step explanation:
Speed of the parachutist is kilometers per hour = 180
Speed of the parachutist is meters per second
meter per second
Distance travelled in 2 seconds
meter
D. 90 im pretty sure its this. hope this helped :)