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Jermaine's mom is paying for a $30 meal. She has a 10%-off coupon for the meal. After the discount, a 8% tax is applied. What does Jermaine's mom pay for the meal? Explain or show your reasoning.

K = 3e+5 work out the value of k when e=-2

After factorising the left-hand side of the equation, solve for two solutions:

Is - 10 a solution of the equation 50/C=10

A train travels 68 kilometers in 2 hours, and then 64 kilometers in 3 hours. What is its average speed

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.