Answer:
A.(-5)(-9)
Step-by-step explanation:
A negative times a negative is always a positive.
Answer:
70
Step-by-step explanation:
GIVEN: Tiffany is packing her bags for her vacation. She has
unique toy animals, but only
fit in her bag.
TO FIND: How many different groups of
toy animals can she take.
SOLUTION:
Total unique toy animal Tiffany has 
Total animal that fit in her bag 
Now,
Tiffany has to select
toy animals from
animals.
Number of ways of selecting 4 toy animals 


Hence Tiffany has 70 different ways to select group of 4 unique toys.
Answer:
4x-1
Step-by-step explanation: All you are doing is combining x and 3x which equals 4x and coming 4 and -5 which equals -1. So the answer will be 4x-1.
Answer: x=-4.8
Step-by-step explanation:
Given
-10x+4=52
Subtract 4 on both sides
-10x+4-4=52-4
-10x=48
Divide -10 on both sides
-10x/-10=48/-10
x=-4.8
Hope this helps!! :)
Please let me know if you have any questions