Answer:
1) B. -2 hours per person
2) C. 3.60 per pound
Step-by-step explanation:
1)
We can make a slope triangle connecting the points (4, 12) and (10,0)
We get -12/6, or -2 as our slope & final answer
2)
You can do x/y to find the unit rate for this one, or in this case 18/5 = 3.6
Answer:
Step-by-step explanation:
V=4
3πr3
Answer:
g(x)=x^2 - 14x+44
Step-by-step explanation:
f(x)=x^2-5,
g(x)=f(x-7)=(x-7)^2-5=
x^2 - 2*x*7+7^2 - 5=
x^2 - 14x+49-5=
x^2 - 14x+44
Answer:
11 marbles
Step-by-step explanation:
Let x = no. of marbles-Alex
3x = no. of marbles-Billie
3x - 9 = no. of marbles-Chris
x + 3x + 3x - 9 = 68
7x - 9 = 68
7x = 77
x = 11
Step-by-step explanation:
To estimate percentage I would round up the numbers to the nearest neat number? like 10 or 15 for example and then find the percentage of that number.