The y values need to be on the top so it would be -2-8 over -4-3 so the answer would be 10/7
Answer:
Step-by-step explanation:
f(-9)=2(-9)²+5(-9)+20
= 162-45+20
= 137
Answer: Package B is least expensive; Will save $5
Step-by-step explanation:
Package A
$200 for 5 lesson=$40/lesson
Package B
$350 for 10 lesson=$35/lesson
35<40
Package B is least expensive
-------------------------------------------------------
40 (Package A)- 35 (Package B)
=$5
Answer:
450 calories of fat contain 50 gram
Step-by-step explanation:
Given data in question
total calorie = 2500 calories
fat = 450 calories
to find out
How many grams of fat
Solution
we know that 1 gram of fat contain 9 calories and one gram of protein and carbohydrate contain 4 calories.
so we have given that 450 calories of fat
9 calories of fat contain = 1 gram
1 calories of fat contain = 1/9 gram
450 calories of fat contain = 1/9 × 450 gram
450 calories of fat contain = 50 gram
