If two numbers are even, their sum is even.

which of these is a logically equivalent statement?
answer
if the sum of two numbers is not even, the numbers are not even.
if the sum of two numbers is not even, the numbers are even.
if two numbers are not even, their sum is not even.
if two numbers are not even, their sum is even.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x