True or false: the arrows on the opposite side of a parallelogram show that the sides are congruent

The mean and standard deviation of a population being sampled are 64 and 6, respectively. If the sample size is 50, what is the standard error of the mean? how do I find the standard error?

What is greater 20.10 or 20.1

Fully simplify. -15yº (5x²y)

Find the perimeter of the rectengle 98 sq feet 7ft

How many times greater is the value of the 5 in 650,700 than the value of the 5 in 67050

A dance academy charges $28 per class and a registration fee of $20. A student paid a total of $1000 to the dance academy. Construct and solve an equation to find the number of classes the student took.

It costs $100 to join a fitness center plus a monthly fee. you spent $700 last year at the fitness center. how much was the monthly fee? write and solve an equation to determine the monthly fee.

A circle has a diameter of 8 m. What is the circumference of the circle? (Express your answer using π.) A. B. C. D.

How many shapes are in the world

In the solution to the equation shown, what property allows you to transform from one step to the next? 4/5x=1 5/4•4/5x=1•5/4 A. Addition Property of Equality B. Subtraction Property of Equality C. Multiplicative Inverse Property D.