1. The library set up a special bookshelf for
math-interest books. There are 2 math-
history books, 3 books on statistics, 2 books
on number theory and 2 books on
geometry. If a student selects one book at
random, what is the probability of choosing
a math-history book?

52 cm radius = diameter = area = circumference = circumfer

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?