What prime numbers are greater than 20 but less than 30?

Which expression is equivalent to logc x^2-1/5x?

Add 3 to my number and then multiply the result by 5 the answer is 35

Recipe for pizza dough requires 3 parts wholemeal flour for each 4 parts of plain flour. How many cups of wholemeal flour are needed if 24 cups of plain flour are used?

In an experiment, each of two people has six cards labled 1 through 6. the first person chooses a card from set one, while the second person chooses a card from set two. what is the probability that the two people will choose the same card

The student council made a profit of $1,480 last year from sales of $18,500 in a pizza fundraiser. Which will result in the same rate of profit?

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.