An alloy weighing 30 lbs. is 11% tin. The alloy was made by mixing a 15% tin alloy and a 9% tin alloy. How many pounds of each alloy were used to make the 11% alloy?

For a normal distribution with mean of 62 and a standard deviation of 6, find the number of standard deviations the raw score 47 is from the mean (give answer as a positive value rounded to nearest hundredth).

A shipping container is in the shape of a right rectangular prism with a length of 3.5 feet, a width of 10.5 feet, and a height of 6.5 feet. The container is completely filled with contents that weigh, on average, 0.73 pound per cubic foot.

Perform the operation. (-5x - 9x+6) + (6x + 10)

I couldn't find an answer to this question lol 2 (x+6) = 2 (6+13x)

Does csc (-120) = - csc (120)

a kennel has40 dogs in total, some are puppies and some are adults dogs. the ratio of puppies to adult dogs is 1:4 how many puppies are there

Simplify 7 + (8-4) x 10 = a) 110 b) 55 c) 29 d) 47

A red, green, and pink backpack are hanging on hooks on the classroom. The total weight of the 3 backpacks is 32 pounds. The red one weights 93/4 pounds. The green one weights 1/3 over 4 more. How much weights the pink one?

The probability in Door County WI that a person is born with brown eyes is 4 out of 7. A survey of 2,723 people was taken in Door County. How many people would be expected to have brown eyes? (whole number answer, no spaces)

The y intercept of the graph of the function is y=f (x) whose domain is all real numbers, is f (0) ... true or false?