A because 3m + 2 doesn’t match -3m +2. All the -3m +2 equations are the same except they are in a different order.
1. 15 / 1/3
When dividing, the second fraction flips over .
15* 3/1= 45/1= 45
2. 24 / 1/6
24*6= 144
4. 7/12 / 1/3
7/12*3/1
Cross out 3 and 12, divide by 3
12/3= 4
3/3= 1
7/4* 1/1. Multiply the numerator together. Multiply the denominators together.
7*1= 7
4*1= 4
7/4 or 1 3/4
Answers :
1. 45
2. 144
4. 7/4 or 1 3/4
Triangles are 180 degrees total so 80+40=120, subtract that from 180 and you’ll get B=60
A’s answer is 7
b’s answer is 5
hope this helps!
