Carlos tiene 3 chocolates más que mariana, mariana tiene 3 chocolates más que verónica y verónica tiene 3 chocolates más que luis. entre los cuatro tienen 58 chocolates. ¿cuántos chocolates tiene cada uno. Por favor

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible