If f (x) = 2x 2 + 3, find f (3).

31

15

21

39

What is one half divided by two thirds

Solve for y in this equation 3xy+2y=h

Difference between normal of parallel planes and perpendicular planes

There are 238 juniors at a high school. The ratio of girls and boys in the junior class is 3 : 4. How many juniors are girls? How many are boys?

You have $28, and you want to get half-dollar coins from the bank to give to chikdren who come into the store. What is the most you can get?

Gavin's anemometer measures the wind speed at 44.14 kilometers per hour. 4 times the wind speed 5 hours ago. What was the wind speed 5 hours ago?

Find the next three terms in the numbers sequence 3,10,19,26,_,_,_.

Simplify the expression cosxcscxtanx

Simplify (2^3) ^-2. 1) - (1/64) 2) 1/64 3) 2 4) 64

And is currently h years old. Bill is currently 2h years old and Charles is currently eight years old. Find an expression for each person's age after h years. Then find an expression for the sum of their ages after h years.