Answer:
12
Step-by-step explanation:
We can write the following ratio
1:3 (for every student who gets an A 3 gets a b)
We then can write a new ratio
4:x
We can solve this ratio by multiplying the original ratio by 4
4:12
This means that 12 people earned an B
Answer:
Rate = 4.5
Step-by-step explanation:
It is given that,
A cookie recipe calls for 1/3 of a cup of sugar and 1 1/2 cups of flour.
We need to find the unit rate of flour to sugar for the cookie recipe. It can be calculated as follows :

So, the unit rate of flour to sugar for the cookie recipe is 4.5
Answer:
Associative property of addition
Answer:
7 and 8
Step-by-step explanation:
the no. are 7,8,9,10
Answer:
Step-by-step explanation:
eq. of any line through (1,2) with slope m is
y-2=m(x-1)
if the line is parallel to x-axis then y=2
if the line is parallel to y-axis then x=1