An alloy is composed of nickel, zinc, and copper in a5: 4: 8 ratio. how many kilograms of each metal are needed to make 3.4 kg of this alloy?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?