Which statement is not true?

a. every parallelogram is a rectangle.

b. every square is a rhombus.

c. every square is a parallelogram.

d. every rhombus is a parallelogram.

How do you represent functions?

Y = - x + 3 X + y=20 Are the lines parallel?

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes with a standard deviation of 0.5 minutes.

There are 5 persons and at a time only 3 can be arranged. What is the total number of arrangements? a. 80 b. 240 c. 60 d. 120

Solve the proportion. x=1/3 = x/2 a=5 b=2 c=10 d=1

A. A square's perimeter is 4 times the length of its side

What is 2,000,000 in scientific notation

Find the value of x + y for x = 75.9 and y = 2.65.

The goal of this problem is to use the definition of the derivative to find ah + b where a and b are constants. find these constants.

Write three ordered pairs for a direct variation relationship where y=12 when x=16