Answer:
Melissa =13 years
Becky = 12 years
Daniel =10 years
All share $28 in the ratio of their ages.
Becky gives a third of her share to her mother.
B : D : M : : 12 : 10 : 13
Becky's $28 = $9.60
Becky has left with =$6.40.
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Step-by-step explanation:
Answer:
Step-by-step explanation:
The formula of the volume of a cube is 
where "a" would correspond to the length of an edge/side/height/etc.
If we insert our value into the formula, we get the following result:
Hope it helped,
BiologiaMagister
Answer:
In the first coordinate
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:
2x - y = 4
x + y = 5
y = 5 - x
2x - (5 - x) = 4
2x + x - 5 = 4
3x = 9
x = 3
Answer:
(–19, 55)
Step-by-step explanation:
y = –3x – 2 equation 1
5x + 2y = 15 equation 2
using equation 1 in equation 2 we have:
5x + 2(–3x – 2) = 15
5x –6x – 4 = 15
-x = 15+4
x=-19
using equation 1:
y = -3(-19)- 2
y= 57-2
y= 55
