Answer:
16
Step-by-step explanation:
father's age=46
half of father's age=46/2=23
Xiao's age=15
so when Xiao is half of her father age =23-15=8
then add 8 to his sister's age
so 8+8=16
hope its was helpful<3<3
plz rate the answer
Answer:
its just division. 27/3 to find all the groups of tennis balls he bought.
the answer is 9
<span>The curves x = y^2 - 4y and x = 2y - y^2 are two parabolas with vertices (-4,2) and (1,1), respectively.
</span>
The solutions (0,0) and (-3,3) of system

give the common points of these parabolas.
The area is calculated in the image.
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Answer:
Ms. Montesinos has 5 fish in her tank
Step-by-step explanation:
a) Let y = the amount of fish Ms. Montesinos
b) 3y-2=13
c)
3y-2+=13+2
3y/3=15/3
y=5
Yes correct because it manipulated the question and it got 78