Answer:
See Below
Step-by-step explanation:

First, let's make 7 into an improper fraction
7x5 =35
2/5 - 35/5 = -33/5
5.75 * 10 ^-5
Hope this helps
What is the shape for your problem?
Answer:
168
Step-by-step explanation:
2c(a+b) = 2 . 4 . (12 + 9) = 2 . 4 . 21 = 8 . 21 = 168
Answer:
9
Step-by-step explanation:
Multiply the total number of tiles by the fraction of tiles that are blue
24 *3/8
24/8 *3
3*3
9