How do I simplify expressions such as 4 (2r+6y)

Tia's teacher asked her to find the product of 8 and 207 in her head. Which of the following describes the best way for Tia to mentally calculate the answer?

With a single ticket, Shannon can ride for the longest time on the ride that has the highest rate in seconds per ticket.

The sum of 3 consecutive even numbers is 78 what is the second number in the sequence

Molly is filling a pitcher that holds 2 gallons of water. she is filling the pitcher with a 1-cup measuring cup. how many time will she have to fill the 1-cup measuring cup to fill the pitcher?

The flat surfaces of a 3D shape are called what? Faces Edges Vertices

Before a renovation, a movie theater had 113 seats. After the renovation, the theater has 163 seats. What is the approximate percentage increase of the number of seats in the theater? A 30.6% B 49.7% C 44.2% D 31%

Your dad tells you that he will pay you $6 an hour for the 6 seconds that you take to wash your hands before dinner. How much did you make for washing your hands?

What is the answer for this function f (r) = 3.14 r square. what is f (3) ?

F (x) = 1/2*-2, what is f (14)

Find the speed Example: 396 miles in 6 hours