Write a subtraction equation to model the following problem. Then solve the equation. A traffic helicopter descends 116 meters to be 346 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?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.