12. On a table there were 16 dimes and quarters. The value of the coins was

$2.50. How

many

of each coin was there?

On any given day, Juan will break even if he earns as much money as he spends. On day 5, he records the expression 16 + (-16). Does Juan break even? Explain.

3 2/3 as an improper fraction explain how you got it

Each costume needs 46 cm oc red ribbon and 3 times as much in yellow ribbon. What is thevtotal length of ribbon needed for 64 costumes? Ecpress yohr answer in meters.

Teresa is 25 years old, and she makes $30,000 per year. If Teresa were to die, how much would the beneficiaries of her life insurance policy receive if they can get by on 75% of her income?

12. Suppose that a combination lock is opened by entering a three-digit code. Each digit can be any integer between 0 and 9, but digits may not be repeated in the code.

What is 743*295 in standard algorithm

Factorise : x^2y^2-16

Jenna was reading the nutrition labels of various types of cereal in the grocery store. She chose one that will provide 30% of the daily amount of vitamin C she needs.

The number of vibrations in a piano string are inversely proportional to its length. A wire 1.25m long vibrates at 510 vibrations/second. To produce 450 vibrations per second, how long should a wire be made

If the radius of a circle is 6in., what is the diameter and circumference of the circle