I'm sorry if this is so simple but I'm not good at this stuff at all

What is the area of a circle with a radius of 40 cm?

(Use 3.14 for Pi.)

F (x) = 4x - 13 g (x) = 3x2 - 7x - 13 Find: f (g (x))

Two numbers have a sum of 50 If one number is p, express the other number in terms of p.

16/25 in decimal form

If x = 2, then x second power - 3x - + 5

Which number is larger 5.09 or 5.9

Simplify 1) 3b + b + 6 = 2) n + 5n - 3c = 3) 12d - 2d + e =

If h = 21 units and r = 7 units, what is the volume of the cone shown above? Use 3.14 for.

Convert the fraction 2/5 to a decimal and a percent. Show all of your work and explain your answer.

There are 4 consecutive integers that add up to 354. What is the least of the 4 integers?

Tanya runs a catering business. Based on her records, her weekly profit can be approximated by the function LaTeX: f/left (x/right) = 2x^2-44x-150f (x) = 2 x 2 - 44 x - 150, where LaTeX: xxis the number of meals she caters.