Witch of the fractions are equal to 1/4

What mathematical operation does a fraction represent?

A science museum has a spherical model of the earth with a diameter of 6.5 m. What is the volume of the model? Use 3.14 for and round your answer to the nearest whole number. Show your work.

Y varies directly y a x. if x = 5 when y = 122 find x when y=30

You need a ladder that will reach up to 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Which expression is equivalent to 2.2-2.5?

You select a card at random from the cards that make up the word replacement without replacing the card, you choose a second card. find the probability of choosing a vowel.

jake hase a mac 11 and want to go on a shooting with 8 magazines and 25 bullets in each magazine, how many bullets are in the mac 11? and how many people can he end if he missed 90 shots because he is a mobile kid?

Trevor has $8 in savings and adds $1 each week. Aretha has $12 in savings and adds $3 each week. After how many weeks will Aretha's account have twice as much as Trevor's account?

What is the interest earned on $400 invested at the rate of 6% for one year?

Which ordered pair is a solution of the equation? A - Only (4,-1) B - Only (5,2) C - Both (4,-1) and (5,2) D - Neither