A traffic helicopter descends 115 meters to be 426 meters above the ground. What was the original height of the helicopter? Let h be the original height of the helicopter. What is a subtraction equation that models the problem?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Common binomial factor of 6x(3x+7)+5(3x+7)

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.