At an amusement park, 40 percent of the tickets were sold in the first hour. if 800 tickets were sold in the first hour, which equation can be used to find the total number of tickets sold for the entire day?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.