PLEASE HELP ME The graph below shows the altitude in feet of a hawk diving towards its prey.

What is the rate of change in the height of the altitude in feet over time?

a. -10 ft/s
b. 1/10ft/s
c. -1/10ft/s
d. 10ft/s

What is the length of the unknown leg in the right triangle ?

What is the circumference of the pie

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.