Answer:

Step-by-step explanation:
Based on the given conditions, write: 
Find common denominator and write numerators above common denominator: 
Calculate the sum or difference: 
Divide the fraction by multiplying its reciprocal: 
Calculate the product or quotient: 
Answer:
Answer:
8/3
Step-by-step explanation:
(12/15)/(3/10)=(12/15)(10/3)=120/45=8/3
Answer:
1.29 x 7
Step-by-step explanation:
He can download 7 apps.
Answer: I believe it should be answer B
Step-by-step explanation: the x coordinate pairs with y and vice versa and if it’s positive you subtract is how I remember it.