If both numbers are negative u add those up and ur answer will be a negative. so number one is negative 9.
if there is more positive ur answer will be a positive. so number 2 is 13.
number is more complicated so negative 3 +4 is 1 because u have more positive and u just subtract those then 1 minus 8 equals negative 7 and negative 7 minus 7 is 0. hope this helps
Answer:
5/8
Step-by-step explanation:
if 1/8 is used for one batch . for five batch=1/8*5=5/8
Answer:
4000
Step-by-step explanation:
Answer:
4.95+0.10x=120
Step-by-step explanation:
Hope this helps
Answer:

Step-by-step explanation:
Since angle RTS is a right angle, we have three similar triangles.
Thus, 
Cross Products, 
Take the square root: 