The expression x2−25 is equivalent to which of the following expressions? A.
(x−5)2
B.
(x+5)2
C.
(x−5)(x+5)
D.
(2x−5)(2x+5)

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)