If f (n) = (2n + 3) 2 - 2n, which statement is true?

1. f (3) = 75

2. f (2) = 619

3. f (5) = 16

4. f (-4) = - 3

Find the length of the hypotenuse of a right triangle whose legs are 3 and sq rt of 2.

Isabella and Sophia share a reward of $60 in a ratio of 2 : 3. What fraction of the total reward does Isabella get?

How do you factor the equation 7x^2=175?

5491 apples were harvested from one side of the McMillan farm. they harvested 512 from the other side of the farm. about how many apples were harvested at the McMillan

There are 16 girls in the class this represents 80% of the class how many total students are there

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.