The council buys 4 hibiscus trees, 6 jacaranda trees and 2 oleander trees. How many different arrangements of these 12 trees can be made if no hibiscus tree is next to another hibiscus tree?

The ratio of 8 less than a number to 28 more than that number is 2 to 5. What is the number? a. 32 c. 28 b. 30 d. 15

What is the average of 16.5, 21.5 and 17

Factor the expression 9x^2 - 49

the probability of drawing a purple marble is 3/5 what is the probability that a marble drawn will not be purple

The solutions of a quadratic equation are - 3 and - 5. What is the quadratic equation in factor and standard form

Marta drove 3/4 mile to the grocery store and then another 1/2 mile to her friend's house. If the trip home is 3/4 the length of the total trip to her friend's house, how far did Marta drive on the round trip?

A recipe for muffins calls for 2 cups of flour for each 1.5 cups of sugar. How much sugar should be used if 8 cups of flour are used?

Four balls of wool will make 8 knitted caps. How many balls of wood will malcom need if he wants to make 6 caps

480 hours is how many hours? Not looking for days

You reseal nine text messages in 12 minutes what is the rate of the text message per hour