At Rome in 1987 Candian Ben Johnson reduced the world record time for 100m, 9.93 seconds, by 1%. What was the new world record (correct to 2 decimal places).

For my homework i dont understand this: the sale price on an item is $160 after a 20% discount. what is the origonal price of the item?

What is the solution to the system of linear equations? 6x+7y=59 4x+5y=41 how do you do it

What is the GFC of 28 and 56 A 4 B 7 C 14 D 28

Ms. nichols bought enough sandwiches to feed 28 people. each sándwich serves 2 people. the cost of one sándwich is 4.99. how much did ms. nichols pay for the sándwiches?

5x-y=2 5x-y=-2 how many solutions if there are any

On the return trip from the beach, you pedal hard for the first ten minutes and cover 4 miles. Tired, you slow down and cover the last 6 miles in 36 minutes. What is your average speed for the return trip?

Mr. Toshio lent out 11 rulers at the beginning of class, collected 4 rulers in the middle of class, and gave out 7 at the end of class. He had 18 at the end of the day. How many rulers did he start with?

Write and solve a word problem in which there are 3 yellow beads for every 2 blue beads

If y varies directly as x, and y = 16 as x = 4, find y for the x-value of 2

Solve the following system of equations: x - 2y = 5 2x - 4y = 10 A. Infinitely many solutions B. No solutions C. (0, 0) D. (5, 10)