How many prime numbers are between 24 and 50?

at 9:00 o saturday morning two bicycylist heading in oppisite directions pass eachother on a bicycle path. the bicyclist heading north is riding 4km/hr faster that the bicyclist heading south. at 10:30, they are 39 km apart.

What is the discriminating for 2x^2-7x+5 A. 49 B.-9 C. 9 D. 40

Money is invested with continuous compounding, and triples in time t. express the interest rate, a decimal, as a function of t.

The scores of individual students on the american college testing (act) program composite college entrance examination have a normal distribution with a mean of 18.6 and a standard deviation of 6.0. at northside high, 36 seniors take the test.

Y3 + y3 is equivalent to?

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.