Simplify.

(0.4n) (16n)

6.4n

6.4n2

16.4n2

16.4n

Eight white balls and twenty black balls are in a bag. What is the probability of drawing a black ball in one draw? 01 O 2/5 O 5/7

What is the solution to this system of equations 3x+y=17 and x+2y=49

The angle supplementary to 87 degrees is ...

A band sells T-shirts at their concerts. After one concert, they sold 320 out of 400 black T-shirts and 270 out of 300 blue T-shirts. A greater percentage of which color T-shirts were sold?

The coefficient of degree 2 in the polynomial x^6+3-2x^2+4x^7-4x

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In a restaurant, a study found that 42% of patrons smoked. if the seating capacity is 60 people, about how many people smoke

Shanna's collection of antique pottery has increased in value over the past two years. Two years ago, the value of her collection was $755. If the value increased 5% during the first year and 7% during the next year, what is the current value?

There are 48 cards in a pack and each card is either red or black. The ratio of the number of red cards to the number of black cards is 1 : 1 8 red cards are removed from the pack.

What is 6 factors of 20