The cooking instructions for roast chicken state that it needs 90 minutes plus an additional 15
minutes per kilogram. As a formula, this is written:
T = 90 + 15m
where T is the time, in minutes, and m is the mass, in kilo-
grams.
Juan calculated the cooking time for a chicken as 2 hours 45
minutes.
a How heavy was Juan's chicken?

Umm.. just started this 2day and its not on my notes(p′︵‵。)

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Hundred and tens tables to make 430 in five different ways