For f(x)= 1/x^2-3 substitute 3 for x in the function to solve for f(3)

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Find solution of the linear equation y = 2/3x + 1/3

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.