The function f (t) = - 5t 2 + 20t + 60 models the approximate height of an object

t seconds after it is launched. How many seconds does it take the object to hit the

ground?

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.

The diameter of bushings turned out by a manufacturing process is a normally distributed random variable with a mean of 4.035 mm and a standard deviation of 0.005 mm. A sample of 25 bushings is taken once an hour. a.

Which estimate is most reasonable? Charlie purchases a box of cereal for $3.98, hamburger for $5.76, tomatoes for $2.87, and milk for $4.46. He has $20 with him. About how much change should he expect to receive? $4 $3 $5 $2

Dining sets are on sale for 25% off the original price (d), which can be expressed with the function p (d) = 0.75d. Local taxes are an additional 14% of the discounted price, which can be expressed with the function c (p) = 1.14p.

What is 743*295 in standard algorithm

Factorise : x^2y^2-16