Solve for a.

2 (a+4) + 6a=48

W-7=27 need the verbal expression

Each of the 17 gorillas at the nature preserve eats 45 pounds of food and day. Write an expression that models the amount of food all of the gorillas eat in a day. Then evaluate the expression to find how much food they eat.

7 teachers share 1 liter of cappuccino. If you make 3 litters of cappuccino, how many teachers can drink cappuccino? If you need to make enough cappuccino for 74 teachers, how many liters would you need to make?

Suppose you encounter an animal that has a large mouth, scales, and fins. Based on this evidence about its structures, construct an argument about where the animal lives and what it eats.

A car travels an average speed of 64 miles per hour. how many miles does it travel in 5 hours and 15 minutes?

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.