7 tennis balls are identical in every way, except that one of them weighs slightly less than the other 6. How can you identify the lightweight ball with no more than two separate weighings using a balance scale?

This is a brainteaser.

Evaluate the function f (x) = 2. r + 2, when r = - 1. W. 4 X. 3 Y. O Z. 4

Mort makes beaded necklaces that he sells for 32 each about how much will Mort make if he sells 36 necklaces at the local art fair

Given: Lines p and q are parallel and r is a transversal. Prove: ∠2 ≅ ∠7 Which statements could complete the proof? A: B:

Find the slope (2,1) (4,5)

Is 17 greater then 0.17

Starting at home Michael traveled uphill to the store for 24 minutes at just 10 mph. He then traveled back home down hill along the same path at a speed of 30 mph. What is his average speed for the entire trip from home to the store and back?

You deposit 1200 in an account. the annual interest is 3 percent. how long will it take you to earn 108 in simple interest

What percent of 90 is 50?

Solve for x. x-1/3=2/3

Round 14.281 to the nearest one.