Write an inequality for x that
would give this rectangle an
area of at least 246 ft^2.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

What is the number 321,000,000 in scientific notation? also what is the number? ?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics