Some people use a rule to see how many hours a child
should sleep at night.
subtract the child's age in years from 30,
then divide the result by 2.
tim is 12 years old.
according to the formula, how many hours should he sleep for?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: