7. A stock is worth $21. Its value is increasing at a rate of $0.25 per week a. Write an equation for the value y (in dollars) of the stock after x weeks.

b. If this trend would continue, what would be the value of the stock after 20 weeks?

Find x to the nearest hundredth place

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?