A person standing 10 m away from a tree observes the top of the tree at an angle of elevation of 45°. If the person is 1.5 m tall, what is the height of the tree?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.