What is the common spatial relationship of volcanic island arcs (such as the Aleutian Islands and the Philippine Islands), volcanic arcs on land (such as the Andes of South America and the Cascades of North America), and oceanic trenches?
Sample Text: Please assist me with this math problem. I am having difficulties. Thank You!?
Homers Pizza is advertising the following deal:3 pizzas, up to 4 toppings each, 10 toppings to choose from 3 soft drinks, 5 varieties to choose from total cost $24.99. The pizza toppings must be unique double, triple, or quadruple toppings are not allowed.
How many integer solutions are there to the equation
x1 + x2 + 2x3 + x4 + x5 = 72
when
(a) xi 0,i = 1,...,5
(b) xi 1,i = 1,...,5
Question description should have minimum of 50 characters