please help

please help

Ted says that 3 tenths multiplied by 100 equals 300 thousandths . Is he correct? Use a place value chart to explain your answer.

Graph 3 members of the family of curves that have f(x) = -x+1 as a common derivative. Help!?

60=1 why is that?

How do you get the solution?

In a basketball tournament, 153 total matches are played. Each team played exactly one match with each of the other teams. How many teams participated in the tournament?

Percentage problem.

This is translated from a trigonometry problem in another language, I hope you understand it.

please give me the anser

I'm lost and confused on how to get the percentage please help

A ratio is a rate? Sometimes, always, or never true

Math math math math math math math math

To move collect later along the side of the road it takes each group 5 minutes to clean up a 200 yards section how long does it take to clean up 2 miles

What is the length? What is the width?

A biatholon is organized for swimmers and speed walkers. The first leg will require swimming from a launch 4 km from the shore of the lake. The second leg involves a walk to the finish line which...

[2(9x3)]x3

You and some friends are going to a museum. Each ticket costs $4.50. If n is the number of tickets purchased, write an equation that gives the total cost, c, of buying n tickets. Suppose...

Which of the following shows 30 + 12 rewritten using the distributive property and the GCF of the addends? 3(10 + 12) 6(10 + 6) 6(5 + 2) 3(5 + 2)

It costs $0.05 to send a text message and $0.10 to send a picture on your cell phone. You spend $4 and send five more text messages than pictures. How many text messages, x, and pictures, y, did you...

A 7m ladder is leaning against the wall. When the top of the ladder is slipping down at a rate of 2m/s, how fast is the bottom moving when it is 4m away from the wall? HELP!?