4 (x+5) + 4x+8 is equivalent to what expression

There are 16 ounces in 1 pound juan is mailing a package that weighs 10 pounds to know the weight of the package in ounces.

5. Gene made a two-digit code. The first digit is odd. How many possible codes dan he choose from? VA 5 C 50 B 15 b 100

Sally and hans started counting at the same time. sally counted on by tens from 300. hans counted back by hundreds. after six counts, they had reached the same number. what number did hans start counting from?

a rectangular prism is sliced by a plane perpendicular to its base. What is the shape of the cross-section formed?

Prove the equation x^3-8x-5=0 has at least three real roots

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.