Answer: There were 65 couples that attended the Valentine Dance.
Answer: $7.00
Step-by-step explanation: It says it costs $20 for up to 10 e-books downloads each month. And she downloaded 20 e-books and was charged $90. This means you need to do $90 - $20= $70. But, it wants to know the Cost of each additional download. So you would do 70 divided by 10, which equals 7.
Complete Question
1-pound ball and a 100-pound ball are dropped from a height of 10 feet at the same time. In the absence of air resistance,
a the two balls end in a tie
b the 100-pound ball hits the ground first
c the 1-pound ball hits the ground first
d There's not enough information to determine which ball hits the ground first
Answer:
Option A
Step-by-step explanation:
From the question we are told that:
Ball 1's Mass 
Ball 2's Mass 
Height 
With Equal Gravitational acceleration of

Generally the equation for Kinematics is mathematically given by

Since

and
Distance S traveled equal

Therefore

Hence "the two balls end in a tie"
Option A
Answer: The answer is A.
Step-by-step explanation:
Answer:
28
Step-by-step explanation:
63/9=7
7*4=28