Eric practiced piano and guitar for a total of 8 hours this week. he practiced the piano for 1/4 or that time. how many hours did Eric practiced the piano this week

What type of association is it when one variable goes up while the other variable goes down? A) No Association B) Positive Association C) Negative Association D) Bilateral Association

A playing field is a rectangle that is 450 feet long by 240 feet wide. find to the nearest foot the length of a straight line run at one corner and went diagonally to the end at the opposite corners

1. in class 6 80% like crisps 75% of the children who like crisps also like chocolate what % of the children like both

What is 1/4 of 50.?

Rhee and Pamela are two of the five members of a band. every week the band picks two members at a random to play on their own for five minutes. what is the probability that Rhee and Pamela are chosen this week?

Mary has a collection of nickels and quarters for a total value of $4.90. If she has 42 coins total, how many of each kind are there?

3y to the power of 2 + 6y+2y

The exact number of kilometers in m miles is f (m), where f is the function defined by f (m) = 1.609344m. (a) find a formula for f-1 (k). (b) what is the meaning of f-1 (k) ?

How do you find lateral area of a rectagular prism?

Why is it important to include both a number and a unit when describing a measure?