9y+11z+7y-4z

What is the answer?

16y + 7z

16y + 15z

2y + 7z

23yz

Given f (x) = 3x - 5 and g (x) = - 2x + 1, find h (x) = f (x) - g (x)

Use the numbers 3 and 4 to make a fraction that is less than 1. Explain how you made your fractions without a number line

An aircraft leaves A at 16:00 hours and arrives at B at 19:30 hours, travelling at an average speed of 550 kilometres per hour. A and B are in the same time zone. The distance from A to B. in kilometres, is

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Which situation could NOT represent a proportional relationship? Question 1 options: a The cost of purchasing p pounds of bananas for $0.55 per pound. b The weight in x weeks of a puppy that gains 2 pounds per week if it starting weight is 8 pounds.

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.