The number 49 is decreased to 45. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

If c is a real number and if 2+i is a solution of the equation x^2-4x+c, what is the value of c

You are throwing a party, and you need 555 liters of Yoda Soda for every 121212 guests. If you have 363636 guests, how many liters of Yoda Soda do you need?

Isabella cares for an aquarium that is 6 feet long and has a height of 4 feet. The aquarium needs 72 cubic feet of water to be completely filled. What is the width of the aquarium?

How many ways can I put down two indistinguishable pieces on an ordinary 8 times 8 chessboard, if the pieces must either be in the same row or be in the same column?

Why might you want to have multiple bank accounts of different varieties?

Haylee has $15.00 to spend at the store. She is going to buy chips at cost $3.25 each and one Cinnabon that cost $2.50 how can I write this into a equation that can be used to calculate the maximum number of bags of chips, v, haylee can buy

Can you name the trigonometric expression that is equivalent to the following expression 1/secant of x?

Noah has a $20 gift card for an online music store. All songs at the store have the same price. After Noah buys 3 songs the balance on the card is $16.25. What will be the ram aiming balance on the card after he buys 5 more songs?

If the mean of five values is 64, find the sum of the values.

Which expression is equivalent to the one shown below? 3 (4 g + 11)