Barbara babysat for 3 1/4 hours and earned $19.50. what was her hourly rate?

Iwill give you ! what is the measure of ∠v ?

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.