When a hole is dug for one tree, 3 kg of mulch and 45 kg of fertiliser must be placed in the hole before the tree is planted. Another 0.5 kg of mulch must be spread around the tree. a. How much fertiliser and how much mulch must be bought for b. If another 13 trees are added to the number of trees to be planted, how much extra fertiliser and mulch must be bough c. Is this an example of direct or inverse proportion? 120 trees?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

What is the quadric regression equation that fits these data

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles