The sum of the ages of two sisters is 26. the younger sister is 2 more than 1/2 of the older sister’s age. how old is the younger sister? ?

10

Step-by-step explanation:

Older sister: x

Younger + Older = 26

x + 4 + 2x = 52   multiplied everything by 2 to clear the denominator

3x + 4 = 52      added like terms    

3x       = 48      subtracted 4 from both sides

 x       = 16       divided both sides by 3

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

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