Of calculators tested 8 defective and 42 passed inspection .what ratio compares the number of defective calculator to the total number of new calculators?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?

In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?