The cost is nine hundred 77 dollars and 60 cents
Answer:
Kathryn thinks that the 3 is the age and the 10 is how many are that age. 10 is thr age and the 3 "x's" are how many people are 10 years old.
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Answer:
The expression in the form 
Step-by-step explanation:



So the expression becomes


Add the numbers: 2+6=8

Therefore, the expression in the form 
DENSITY =MASS/VOLUME
OR MASS = DENSITY X VOLUME
DENSITY =1.5 g/ml AND VOLUME = 10 ml
MASS = 1.5 x 10 = 15 g
6×12 = 72
72 - (3x3) = 63
63 in ^2