A rock is thrown upward from top of a tower, and the height of the rock with respect to time can be modeledby the function h(t) = -16t? + 100t + 25, where t is the time in seconds and h(t) is the height of the ball in feet.

what height was the rock thrown ?

when does it reach maximum height ?

what time does the rock land ?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?