Thuy planned for a square table to have a side length of 30 in. but found that it could be a little bigger at 39 in. she found the
change of scale below.
39 in. +3 13
30 in. + 3 10
the change of scale is 13 to 10
what is thuy's error?
30 in.
thuy should have written the ratio as 3 in.
thuy should have written the ratio as 39 in.
30 in.
thuy should have divided both numbers by 6.
thuy should have divided both numbers by 13.
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Which graph represents the following piecewise defined function?

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

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