How many pounds of coffee worth $9 a pound should be added to 10 pounds of coffee worth $3 a pound to get a mixture worth $7 a pound

the velocity v of an object rolled down an inclined plane is given by the formula v equals 26d square-rooted, where d is the distance the object has rolled. solve for d

Evan earns $18 per hour. how much will he earn per hour if he gets a 5% raise?

Show that cos2x + 1 = 2cos2 x. Use the "^" key on the keyboard to indicate an exponent. For example, sin2 x would be typed as sin^2x.

Which of the following factors can affect the outcome of a survey?

Two sisters drive 144 miles on a camping trip they averaged at least 32 miles per gallon on the trio describe the number of gallons of gas they used

Two expressions set equal to each other creates an what?

In a certain card game, For every four blue cards, there are three yellow cards. There are a total of 84 blue and yellow cards in the game how many blue cards are in the game

How do I write 4/9 plus 3/5 multiplied by 6

Mrs. gauthier plans to take her class on 2 field trips this year there are 23 students in her class and each field trip will cost $5 per student use mental math to find the total cost for both field trips

Steven had $250. He bought some T-shirts at $8 each and had $q left. How many T-shirts did he buy?